Home / 7,160,234.28-9,881,123.36-3,897,072.74

Finding the Fourth Proportional to 7,160,234.28, 9,881,123.36 and 3,897,072.74

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Solution

The fourth proportional to 7,160,234.28, 9,881,123.36 and 3,897,072.74 is: 5,377,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,234.28 : 9,881,123.36 = 3,897,072.74 : x
  2. Step 2: Convert to fraction form
    7,160,234.28/9,881,123.36 = 3,897,072.74/x
  3. Step 3: Cross multiply
    7,160,234.28x = 9,881,123.36 × 3,897,072.74
  4. Step 4: Simplify right side
    7,160,234.28x = 38,507,456,417,942.23
  5. Step 5: Solve for x
    x = 38,507,456,417,942.23/7,160,234.28
  6. Step 6: Final answer
    x = 5,377,960.40

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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.