Home / 11,932,964.80-17,899,447.20-7,398,001.60

Finding the Fourth Proportional to 11,932,964.80, 17,899,447.20 and 7,398,001.60

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Solution

The fourth proportional to 11,932,964.80, 17,899,447.20 and 7,398,001.60 is: 11,097,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932,964.80 : 17,899,447.20 = 7,398,001.60 : x
  2. Step 2: Convert to fraction form
    11,932,964.80/17,899,447.20 = 7,398,001.60/x
  3. Step 3: Cross multiply
    11,932,964.80x = 17,899,447.20 × 7,398,001.60
  4. Step 4: Simplify right side
    11,932,964.80x = 132,420,139,024,715.52
  5. Step 5: Solve for x
    x = 132,420,139,024,715.52/11,932,964.80
  6. Step 6: Final answer
    x = 11,097,002.40

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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.