Home / 20,527,851.91-28,325,388.46-12,467,770.93

Finding the Fourth Proportional to 20,527,851.91, 28,325,388.46 and 12,467,770.93

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Solution

The fourth proportional to 20,527,851.91, 28,325,388.46 and 12,467,770.93 is: 17,203,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,851.91 : 28,325,388.46 = 12,467,770.93 : x
  2. Step 2: Convert to fraction form
    20,527,851.91/28,325,388.46 = 12,467,770.93/x
  3. Step 3: Cross multiply
    20,527,851.91x = 28,325,388.46 × 12,467,770.93
  4. Step 4: Simplify right side
    20,527,851.91x = 353,154,454,822,545.50
  5. Step 5: Solve for x
    x = 353,154,454,822,545.50/20,527,851.91
  6. Step 6: Final answer
    x = 17,203,673.15

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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.