Home / 10,109,939.70-15,164,909.55-2,921,708.10

Finding the Fourth Proportional to 10,109,939.70, 15,164,909.55 and 2,921,708.10

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Solution

The fourth proportional to 10,109,939.70, 15,164,909.55 and 2,921,708.10 is: 4,382,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,939.70 : 15,164,909.55 = 2,921,708.10 : x
  2. Step 2: Convert to fraction form
    10,109,939.70/15,164,909.55 = 2,921,708.10/x
  3. Step 3: Cross multiply
    10,109,939.70x = 15,164,909.55 × 2,921,708.10
  4. Step 4: Simplify right side
    10,109,939.70x = 44,307,439,068,002.36
  5. Step 5: Solve for x
    x = 44,307,439,068,002.36/10,109,939.70
  6. Step 6: Final answer
    x = 4,382,562.15

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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.