Home / 11,205,689.60-16,771,209.60-9,861,996.80

Finding the Fourth Proportional to 11,205,689.60, 16,771,209.60 and 9,861,996.80

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Solution

The fourth proportional to 11,205,689.60, 16,771,209.60 and 9,861,996.80 is: 14,760,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205,689.60 : 16,771,209.60 = 9,861,996.80 : x
  2. Step 2: Convert to fraction form
    11,205,689.60/16,771,209.60 = 9,861,996.80/x
  3. Step 3: Cross multiply
    11,205,689.60x = 16,771,209.60 × 9,861,996.80
  4. Step 4: Simplify right side
    11,205,689.60x = 165,397,615,407,329.28
  5. Step 5: Solve for x
    x = 165,397,615,407,329.28/11,205,689.60
  6. Step 6: Final answer
    x = 14,760,146.08

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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.