Home / 8,342,138.60-12,502,710.30-7,397,354.60

Finding the Fourth Proportional to 8,342,138.60, 12,502,710.30 and 7,397,354.60

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Solution

The fourth proportional to 8,342,138.60, 12,502,710.30 and 7,397,354.60 is: 11,086,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,138.60 : 12,502,710.30 = 7,397,354.60 : x
  2. Step 2: Convert to fraction form
    8,342,138.60/12,502,710.30 = 7,397,354.60/x
  3. Step 3: Cross multiply
    8,342,138.60x = 12,502,710.30 × 7,397,354.60
  4. Step 4: Simplify right side
    8,342,138.60x = 92,486,981,550,172.38
  5. Step 5: Solve for x
    x = 92,486,981,550,172.38/8,342,138.60
  6. Step 6: Final answer
    x = 11,086,723.20

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1.5x scale

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.