Home / 10,086,564.43-15,129,794.58-3,939,169.87

Finding the Fourth Proportional to 10,086,564.43, 15,129,794.58 and 3,939,169.87

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Solution

The fourth proportional to 10,086,564.43, 15,129,794.58 and 3,939,169.87 is: 5,908,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,564.43 : 15,129,794.58 = 3,939,169.87 : x
  2. Step 2: Convert to fraction form
    10,086,564.43/15,129,794.58 = 3,939,169.87/x
  3. Step 3: Cross multiply
    10,086,564.43x = 15,129,794.58 × 3,939,169.87
  4. Step 4: Simplify right side
    10,086,564.43x = 59,598,830,948,825.30
  5. Step 5: Solve for x
    x = 59,598,830,948,825.30/10,086,564.43
  6. Step 6: Final answer
    x = 5,908,734.47

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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.