Home / 29,486,078.46-40,690,990.31-16,434,178.29

Finding the Fourth Proportional to 29,486,078.46, 40,690,990.31 and 16,434,178.29

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Solution

The fourth proportional to 29,486,078.46, 40,690,990.31 and 16,434,178.29 is: 22,679,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486,078.46 : 40,690,990.31 = 16,434,178.29 : x
  2. Step 2: Convert to fraction form
    29,486,078.46/40,690,990.31 = 16,434,178.29/x
  3. Step 3: Cross multiply
    29,486,078.46x = 40,690,990.31 × 16,434,178.29
  4. Step 4: Simplify right side
    29,486,078.46x = 668,722,989,469,031.38
  5. Step 5: Solve for x
    x = 668,722,989,469,031.38/29,486,078.46
  6. Step 6: Final answer
    x = 22,679,278.64

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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.