Home / 52,118,891.55-78,178,939.20-15,727,597.11

Finding the Fourth Proportional to 52,118,891.55, 78,178,939.20 and 15,727,597.11

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Solution

The fourth proportional to 52,118,891.55, 78,178,939.20 and 15,727,597.11 is: 23,591,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118,891.55 : 78,178,939.20 = 15,727,597.11 : x
  2. Step 2: Convert to fraction form
    52,118,891.55/78,178,939.20 = 15,727,597.11/x
  3. Step 3: Cross multiply
    52,118,891.55x = 78,178,939.20 × 15,727,597.11
  4. Step 4: Simplify right side
    52,118,891.55x = 1,229,566,858,224,785.75
  5. Step 5: Solve for x
    x = 1,229,566,858,224,785.75/52,118,891.55
  6. Step 6: Final answer
    x = 23,591,577.29

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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.