Home / 42,497,572.70-63,746,359.05-13,746,614.60

Finding the Fourth Proportional to 42,497,572.70, 63,746,359.05 and 13,746,614.60

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Solution

The fourth proportional to 42,497,572.70, 63,746,359.05 and 13,746,614.60 is: 20,619,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,572.70 : 63,746,359.05 = 13,746,614.60 : x
  2. Step 2: Convert to fraction form
    42,497,572.70/63,746,359.05 = 13,746,614.60/x
  3. Step 3: Cross multiply
    42,497,572.70x = 63,746,359.05 × 13,746,614.60
  4. Step 4: Simplify right side
    42,497,572.70x = 876,296,630,013,572.12
  5. Step 5: Solve for x
    x = 876,296,630,013,572.12/42,497,572.70
  6. Step 6: Final answer
    x = 20,619,921.90

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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.