Home / 10,181,665.60-15,272,498.40-9,789,755.20

Finding the Fourth Proportional to 10,181,665.60, 15,272,498.40 and 9,789,755.20

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Solution

The fourth proportional to 10,181,665.60, 15,272,498.40 and 9,789,755.20 is: 14,684,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181,665.60 : 15,272,498.40 = 9,789,755.20 : x
  2. Step 2: Convert to fraction form
    10,181,665.60/15,272,498.40 = 9,789,755.20/x
  3. Step 3: Cross multiply
    10,181,665.60x = 15,272,498.40 × 9,789,755.20
  4. Step 4: Simplify right side
    10,181,665.60x = 149,514,020,628,391.69
  5. Step 5: Solve for x
    x = 149,514,020,628,391.69/10,181,665.60
  6. Step 6: Final answer
    x = 14,684,632.80

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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.