Home / 9,390,881.80-14,103,429.90-8,215,150.60

Finding the Fourth Proportional to 9,390,881.80, 14,103,429.90 and 8,215,150.60

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Solution

The fourth proportional to 9,390,881.80, 14,103,429.90 and 8,215,150.60 is: 12,337,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390,881.80 : 14,103,429.90 = 8,215,150.60 : x
  2. Step 2: Convert to fraction form
    9,390,881.80/14,103,429.90 = 8,215,150.60/x
  3. Step 3: Cross multiply
    9,390,881.80x = 14,103,429.90 × 8,215,150.60
  4. Step 4: Simplify right side
    9,390,881.80x = 115,861,800,605,042.94
  5. Step 5: Solve for x
    x = 115,861,800,605,042.94/9,390,881.80
  6. Step 6: Final answer
    x = 12,337,691.29

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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.