Home / 40,273,726.20-60,442,082.10-18,710,999.70

Finding the Fourth Proportional to 40,273,726.20, 60,442,082.10 and 18,710,999.70

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Solution

The fourth proportional to 40,273,726.20, 60,442,082.10 and 18,710,999.70 is: 28,081,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,273,726.20 : 60,442,082.10 = 18,710,999.70 : x
  2. Step 2: Convert to fraction form
    40,273,726.20/60,442,082.10 = 18,710,999.70/x
  3. Step 3: Cross multiply
    40,273,726.20x = 60,442,082.10 × 18,710,999.70
  4. Step 4: Simplify right side
    40,273,726.20x = 1,130,931,780,040,475.25
  5. Step 5: Solve for x
    x = 1,130,931,780,040,475.25/40,273,726.20
  6. Step 6: Final answer
    x = 28,081,130.97

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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.