Home / 21,244,430.59-29,314,713.47-13,400,998.04

Finding the Fourth Proportional to 21,244,430.59, 29,314,713.47 and 13,400,998.04

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Solution

The fourth proportional to 21,244,430.59, 29,314,713.47 and 13,400,998.04 is: 18,491,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,430.59 : 29,314,713.47 = 13,400,998.04 : x
  2. Step 2: Convert to fraction form
    21,244,430.59/29,314,713.47 = 13,400,998.04/x
  3. Step 3: Cross multiply
    21,244,430.59x = 29,314,713.47 × 13,400,998.04
  4. Step 4: Simplify right side
    21,244,430.59x = 392,846,417,760,913.38
  5. Step 5: Solve for x
    x = 392,846,417,760,913.38/21,244,430.59
  6. Step 6: Final answer
    x = 18,491,736.75

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Double scale
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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.