Home / 16,000,678.80-22,081,070.25-9,389,220.66

Finding the Fourth Proportional to 16,000,678.80, 22,081,070.25 and 9,389,220.66

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Solution

The fourth proportional to 16,000,678.80, 22,081,070.25 and 9,389,220.66 is: 12,957,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000,678.80 : 22,081,070.25 = 9,389,220.66 : x
  2. Step 2: Convert to fraction form
    16,000,678.80/22,081,070.25 = 9,389,220.66/x
  3. Step 3: Cross multiply
    16,000,678.80x = 22,081,070.25 × 9,389,220.66
  4. Step 4: Simplify right side
    16,000,678.80x = 207,324,040,986,211.38
  5. Step 5: Solve for x
    x = 207,324,040,986,211.38/16,000,678.80
  6. Step 6: Final answer
    x = 12,957,202.85

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1.5x scale

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.