Home / 29,486,079.96-40,690,992.38-16,434,179.79

Finding the Fourth Proportional to 29,486,079.96, 40,690,992.38 and 16,434,179.79

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Solution

The fourth proportional to 29,486,079.96, 40,690,992.38 and 16,434,179.79 is: 22,679,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486,079.96 : 40,690,992.38 = 16,434,179.79 : x
  2. Step 2: Convert to fraction form
    29,486,079.96/40,690,992.38 = 16,434,179.79/x
  3. Step 3: Cross multiply
    29,486,079.96x = 40,690,992.38 × 16,434,179.79
  4. Step 4: Simplify right side
    29,486,079.96x = 668,723,084,524,269.12
  5. Step 5: Solve for x
    x = 668,723,084,524,269.12/29,486,079.96
  6. Step 6: Final answer
    x = 22,679,280.71

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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.