Home / 18,569,234.64-25,627,385.28-10,420,505.04

Finding the Fourth Proportional to 18,569,234.64, 25,627,385.28 and 10,420,505.04

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Solution

The fourth proportional to 18,569,234.64, 25,627,385.28 and 10,420,505.04 is: 14,381,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,234.64 : 25,627,385.28 = 10,420,505.04 : x
  2. Step 2: Convert to fraction form
    18,569,234.64/25,627,385.28 = 10,420,505.04/x
  3. Step 3: Cross multiply
    18,569,234.64x = 25,627,385.28 × 10,420,505.04
  4. Step 4: Simplify right side
    18,569,234.64x = 267,050,297,472,261.81
  5. Step 5: Solve for x
    x = 267,050,297,472,261.81/18,569,234.64
  6. Step 6: Final answer
    x = 14,381,330.34

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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.