Home / 7,877,008.30-11,815,512.45-7,398,711.40

Finding the Fourth Proportional to 7,877,008.30, 11,815,512.45 and 7,398,711.40

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Solution

The fourth proportional to 7,877,008.30, 11,815,512.45 and 7,398,711.40 is: 11,098,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877,008.30 : 11,815,512.45 = 7,398,711.40 : x
  2. Step 2: Convert to fraction form
    7,877,008.30/11,815,512.45 = 7,398,711.40/x
  3. Step 3: Cross multiply
    7,877,008.30x = 11,815,512.45 × 7,398,711.40
  4. Step 4: Simplify right side
    7,877,008.30x = 87,419,566,660,656.92
  5. Step 5: Solve for x
    x = 87,419,566,660,656.92/7,877,008.30
  6. Step 6: Final answer
    x = 11,098,067.10

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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.