Home / 13,614,022.52-18,787,354.98-7,419,070.94

Finding the Fourth Proportional to 13,614,022.52, 18,787,354.98 and 7,419,070.94

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Solution

The fourth proportional to 13,614,022.52, 18,787,354.98 and 7,419,070.94 is: 10,238,320.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,022.52 : 18,787,354.98 = 7,419,070.94 : x
  2. Step 2: Convert to fraction form
    13,614,022.52/18,787,354.98 = 7,419,070.94/x
  3. Step 3: Cross multiply
    13,614,022.52x = 18,787,354.98 × 7,419,070.94
  4. Step 4: Simplify right side
    13,614,022.52x = 139,384,719,277,645.50
  5. Step 5: Solve for x
    x = 139,384,719,277,645.50/13,614,022.52
  6. Step 6: Final answer
    x = 10,238,320.02

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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.