Home / 10,109,939.40-15,164,909.10-2,921,707.80

Finding the Fourth Proportional to 10,109,939.40, 15,164,909.10 and 2,921,707.80

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Solution

The fourth proportional to 10,109,939.40, 15,164,909.10 and 2,921,707.80 is: 4,382,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,939.40 : 15,164,909.10 = 2,921,707.80 : x
  2. Step 2: Convert to fraction form
    10,109,939.40/15,164,909.10 = 2,921,707.80/x
  3. Step 3: Cross multiply
    10,109,939.40x = 15,164,909.10 × 2,921,707.80
  4. Step 4: Simplify right side
    10,109,939.40x = 44,307,433,203,760.98
  5. Step 5: Solve for x
    x = 44,307,433,203,760.98/10,109,939.40
  6. Step 6: Final answer
    x = 4,382,561.70

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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.