Home / 21,048,151.13-31,572,226.70-5,091,799.13

Finding the Fourth Proportional to 21,048,151.13, 31,572,226.70 and 5,091,799.13

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Solution

The fourth proportional to 21,048,151.13, 31,572,226.70 and 5,091,799.13 is: 7,637,698.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048,151.13 : 31,572,226.70 = 5,091,799.13 : x
  2. Step 2: Convert to fraction form
    21,048,151.13/31,572,226.70 = 5,091,799.13/x
  3. Step 3: Cross multiply
    21,048,151.13x = 31,572,226.70 × 5,091,799.13
  4. Step 4: Simplify right side
    21,048,151.13x = 160,759,436,259,902.66
  5. Step 5: Solve for x
    x = 160,759,436,259,902.66/21,048,151.13
  6. Step 6: Final answer
    x = 7,637,698.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.