Home / 15,046,672.39-20,770,764.39-10,158,515.57

Finding the Fourth Proportional to 15,046,672.39, 20,770,764.39 and 10,158,515.57

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Solution

The fourth proportional to 15,046,672.39, 20,770,764.39 and 10,158,515.57 is: 14,023,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,672.39 : 20,770,764.39 = 10,158,515.57 : x
  2. Step 2: Convert to fraction form
    15,046,672.39/20,770,764.39 = 10,158,515.57/x
  3. Step 3: Cross multiply
    15,046,672.39x = 20,770,764.39 × 10,158,515.57
  4. Step 4: Simplify right side
    15,046,672.39x = 211,000,133,508,543.47
  5. Step 5: Solve for x
    x = 211,000,133,508,543.47/15,046,672.39
  6. Step 6: Final answer
    x = 14,023,042.97

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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.