Home / 22,531,891.12-31,093,995.64-12,218,582.32

Finding the Fourth Proportional to 22,531,891.12, 31,093,995.64 and 12,218,582.32

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Solution

The fourth proportional to 22,531,891.12, 31,093,995.64 and 12,218,582.32 is: 16,861,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,891.12 : 31,093,995.64 = 12,218,582.32 : x
  2. Step 2: Convert to fraction form
    22,531,891.12/31,093,995.64 = 12,218,582.32/x
  3. Step 3: Cross multiply
    22,531,891.12x = 31,093,995.64 × 12,218,582.32
  4. Step 4: Simplify right side
    22,531,891.12x = 379,924,545,385,061.12
  5. Step 5: Solve for x
    x = 379,924,545,385,061.12/22,531,891.12
  6. Step 6: Final answer
    x = 16,861,635.95

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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.