Home / 38,154,540.81-57,250,740.92-15,124,988.55

Finding the Fourth Proportional to 38,154,540.81, 57,250,740.92 and 15,124,988.55

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Solution

The fourth proportional to 38,154,540.81, 57,250,740.92 and 15,124,988.55 is: 22,694,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154,540.81 : 57,250,740.92 = 15,124,988.55 : x
  2. Step 2: Convert to fraction form
    38,154,540.81/57,250,740.92 = 15,124,988.55/x
  3. Step 3: Cross multiply
    38,154,540.81x = 57,250,740.92 × 15,124,988.55
  4. Step 4: Simplify right side
    38,154,540.81x = 865,916,800,894,016.50
  5. Step 5: Solve for x
    x = 865,916,800,894,016.50/38,154,540.81
  6. Step 6: Final answer
    x = 22,694,986.82

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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.