Home / 20,832,147.79-28,758,332.75-13,874,404.12

Finding the Fourth Proportional to 20,832,147.79, 28,758,332.75 and 13,874,404.12

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Solution

The fourth proportional to 20,832,147.79, 28,758,332.75 and 13,874,404.12 is: 19,153,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832,147.79 : 28,758,332.75 = 13,874,404.12 : x
  2. Step 2: Convert to fraction form
    20,832,147.79/28,758,332.75 = 13,874,404.12/x
  3. Step 3: Cross multiply
    20,832,147.79x = 28,758,332.75 × 13,874,404.12
  4. Step 4: Simplify right side
    20,832,147.79x = 399,004,730,390,930.94
  5. Step 5: Solve for x
    x = 399,004,730,390,930.94/20,832,147.79
  6. Step 6: Final answer
    x = 19,153,317.00

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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.