Home / 20,864,732.26-28,760,072.67-16,447,258.78

Finding the Fourth Proportional to 20,864,732.26, 28,760,072.67 and 16,447,258.78

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Solution

The fourth proportional to 20,864,732.26, 28,760,072.67 and 16,447,258.78 is: 22,671,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,864,732.26 : 28,760,072.67 = 16,447,258.78 : x
  2. Step 2: Convert to fraction form
    20,864,732.26/28,760,072.67 = 16,447,258.78/x
  3. Step 3: Cross multiply
    20,864,732.26x = 28,760,072.67 × 16,447,258.78
  4. Step 4: Simplify right side
    20,864,732.26x = 473,024,357,735,095.56
  5. Step 5: Solve for x
    x = 473,024,357,735,095.56/20,864,732.26
  6. Step 6: Final answer
    x = 22,671,000.61

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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.