Home / 31,177,812.08-43,005,107.62-19,996,594.76

Finding the Fourth Proportional to 31,177,812.08, 43,005,107.62 and 19,996,594.76

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Solution

The fourth proportional to 31,177,812.08, 43,005,107.62 and 19,996,594.76 is: 27,582,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,812.08 : 43,005,107.62 = 19,996,594.76 : x
  2. Step 2: Convert to fraction form
    31,177,812.08/43,005,107.62 = 19,996,594.76/x
  3. Step 3: Cross multiply
    31,177,812.08x = 43,005,107.62 × 19,996,594.76
  4. Step 4: Simplify right side
    31,177,812.08x = 859,955,709,687,328.12
  5. Step 5: Solve for x
    x = 859,955,709,687,328.12/31,177,812.08
  6. Step 6: Final answer
    x = 27,582,298.19

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Double scale
Find fourth proportional to 31,177,813.08, 43,005,109 and 19,996,595.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.