Home / 19,872,471.60-29,787,712.20-11,334,423.60

Finding the Fourth Proportional to 19,872,471.60, 29,787,712.20 and 11,334,423.60

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Solution

The fourth proportional to 19,872,471.60, 29,787,712.20 and 11,334,423.60 is: 16,989,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,471.60 : 29,787,712.20 = 11,334,423.60 : x
  2. Step 2: Convert to fraction form
    19,872,471.60/29,787,712.20 = 11,334,423.60/x
  3. Step 3: Cross multiply
    19,872,471.60x = 29,787,712.20 × 11,334,423.60
  4. Step 4: Simplify right side
    19,872,471.60x = 337,626,548,149,687.88
  5. Step 5: Solve for x
    x = 337,626,548,149,687.88/19,872,471.60
  6. Step 6: Final answer
    x = 16,989,660.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.