Home / 7,877,007.80-11,815,511.70-7,398,710.90

Finding the Fourth Proportional to 7,877,007.80, 11,815,511.70 and 7,398,710.90

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Solution

The fourth proportional to 7,877,007.80, 11,815,511.70 and 7,398,710.90 is: 11,098,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,007.80 : 11,815,511.70 = 7,398,710.90 : x
  2. Step 2: Convert to fraction form
    7,877,007.80/11,815,511.70 = 7,398,710.90/x
  3. Step 3: Cross multiply
    7,877,007.80x = 11,815,511.70 × 7,398,710.90
  4. Step 4: Simplify right side
    7,877,007.80x = 87,419,555,203,867.53
  5. Step 5: Solve for x
    x = 87,419,555,203,867.53/7,877,007.80
  6. Step 6: Final answer
    x = 11,098,066.35

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Similar ratio
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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.