Home / 18,723,490.96-25,836,179.73-10,349,729.54

Finding the Fourth Proportional to 18,723,490.96, 25,836,179.73 and 10,349,729.54

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Solution

The fourth proportional to 18,723,490.96, 25,836,179.73 and 10,349,729.54 is: 14,281,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,490.96 : 25,836,179.73 = 10,349,729.54 : x
  2. Step 2: Convert to fraction form
    18,723,490.96/25,836,179.73 = 10,349,729.54/x
  3. Step 3: Cross multiply
    18,723,490.96x = 25,836,179.73 × 10,349,729.54
  4. Step 4: Simplify right side
    18,723,490.96x = 267,397,472,539,440.75
  5. Step 5: Solve for x
    x = 267,397,472,539,440.75/18,723,490.96
  6. Step 6: Final answer
    x = 14,281,389.79

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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.