Home / 10,086,549.17-15,129,771.73-3,939,154.61

Finding the Fourth Proportional to 10,086,549.17, 15,129,771.73 and 3,939,154.61

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Solution

The fourth proportional to 10,086,549.17, 15,129,771.73 and 3,939,154.61 is: 5,908,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,549.17 : 15,129,771.73 = 3,939,154.61 : x
  2. Step 2: Convert to fraction form
    10,086,549.17/15,129,771.73 = 3,939,154.61/x
  3. Step 3: Cross multiply
    10,086,549.17x = 15,129,771.73 × 3,939,154.61
  4. Step 4: Simplify right side
    10,086,549.17x = 59,598,509,972,980.43
  5. Step 5: Solve for x
    x = 59,598,509,972,980.43/10,086,549.17
  6. Step 6: Final answer
    x = 5,908,711.59

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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.