Home / 42,497,591.20-63,746,386.80-13,746,633.10

Finding the Fourth Proportional to 42,497,591.20, 63,746,386.80 and 13,746,633.10

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Solution

The fourth proportional to 42,497,591.20, 63,746,386.80 and 13,746,633.10 is: 20,619,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,591.20 : 63,746,386.80 = 13,746,633.10 : x
  2. Step 2: Convert to fraction form
    42,497,591.20/63,746,386.80 = 13,746,633.10/x
  3. Step 3: Cross multiply
    42,497,591.20x = 63,746,386.80 × 13,746,633.10
  4. Step 4: Simplify right side
    42,497,591.20x = 876,298,190,790,283
  5. Step 5: Solve for x
    x = 876,298,190,790,283/42,497,591.20
  6. Step 6: Final answer
    x = 20,619,949.65

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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.