Home / 11,132,981.60-16,699,472.40-8,610,447.20

Finding the Fourth Proportional to 11,132,981.60, 16,699,472.40 and 8,610,447.20

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Solution

The fourth proportional to 11,132,981.60, 16,699,472.40 and 8,610,447.20 is: 12,915,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132,981.60 : 16,699,472.40 = 8,610,447.20 : x
  2. Step 2: Convert to fraction form
    11,132,981.60/16,699,472.40 = 8,610,447.20/x
  3. Step 3: Cross multiply
    11,132,981.60x = 16,699,472.40 × 8,610,447.20
  4. Step 4: Simplify right side
    11,132,981.60x = 143,789,925,368,057.28
  5. Step 5: Solve for x
    x = 143,789,925,368,057.28/11,132,981.60
  6. Step 6: Final answer
    x = 12,915,670.80

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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.