Home / 10,875,649.18-15,008,781.02-5,981,250.10

Finding the Fourth Proportional to 10,875,649.18, 15,008,781.02 and 5,981,250.10

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Solution

The fourth proportional to 10,875,649.18, 15,008,781.02 and 5,981,250.10 is: 8,254,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,649.18 : 15,008,781.02 = 5,981,250.10 : x
  2. Step 2: Convert to fraction form
    10,875,649.18/15,008,781.02 = 5,981,250.10/x
  3. Step 3: Cross multiply
    10,875,649.18x = 15,008,781.02 × 5,981,250.10
  4. Step 4: Simplify right side
    10,875,649.18x = 89,771,272,976,753.09
  5. Step 5: Solve for x
    x = 89,771,272,976,753.09/10,875,649.18
  6. Step 6: Final answer
    x = 8,254,336.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.