Home / 7,160,614.40-9,881,891.64-3,897,548.96

Finding the Fourth Proportional to 7,160,614.40, 9,881,891.64 and 3,897,548.96

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Solution

The fourth proportional to 7,160,614.40, 9,881,891.64 and 3,897,548.96 is: 5,378,750.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,614.40 : 9,881,891.64 = 3,897,548.96 : x
  2. Step 2: Convert to fraction form
    7,160,614.40/9,881,891.64 = 3,897,548.96/x
  3. Step 3: Cross multiply
    7,160,614.40x = 9,881,891.64 × 3,897,548.96
  4. Step 4: Simplify right side
    7,160,614.40x = 38,515,156,484,314.70
  5. Step 5: Solve for x
    x = 38,515,156,484,314.70/7,160,614.40
  6. Step 6: Final answer
    x = 5,378,750.25

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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.