Home / 16,656,872.88-22,986,546.12-9,689,222.10

Finding the Fourth Proportional to 16,656,872.88, 22,986,546.12 and 9,689,222.10

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Solution

The fourth proportional to 16,656,872.88, 22,986,546.12 and 9,689,222.10 is: 13,371,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656,872.88 : 22,986,546.12 = 9,689,222.10 : x
  2. Step 2: Convert to fraction form
    16,656,872.88/22,986,546.12 = 9,689,222.10/x
  3. Step 3: Cross multiply
    16,656,872.88x = 22,986,546.12 × 9,689,222.10
  4. Step 4: Simplify right side
    16,656,872.88x = 222,721,750,668,573.25
  5. Step 5: Solve for x
    x = 222,721,750,668,573.25/16,656,872.88
  6. Step 6: Final answer
    x = 13,371,162.30

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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.