Home / 31,177,813.08-43,005,109-19,996,595.76

Finding the Fourth Proportional to 31,177,813.08, 43,005,109 and 19,996,595.76

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Solution

The fourth proportional to 31,177,813.08, 43,005,109 and 19,996,595.76 is: 27,582,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,813.08 : 43,005,109 = 19,996,595.76 : x
  2. Step 2: Convert to fraction form
    31,177,813.08/43,005,109 = 19,996,595.76/x
  3. Step 3: Cross multiply
    31,177,813.08x = 43,005,109 × 19,996,595.76
  4. Step 4: Simplify right side
    31,177,813.08x = 859,955,780,287,737.88
  5. Step 5: Solve for x
    x = 859,955,780,287,737.88/31,177,813.08
  6. Step 6: Final answer
    x = 27,582,299.57

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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.