Home / 43,720,739.28-65,569,660.38-13,007,045.88

Finding the Fourth Proportional to 43,720,739.28, 65,569,660.38 and 13,007,045.88

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Solution

The fourth proportional to 43,720,739.28, 65,569,660.38 and 13,007,045.88 is: 19,507,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720,739.28 : 65,569,660.38 = 13,007,045.88 : x
  2. Step 2: Convert to fraction form
    43,720,739.28/65,569,660.38 = 13,007,045.88/x
  3. Step 3: Cross multiply
    43,720,739.28x = 65,569,660.38 × 13,007,045.88
  4. Step 4: Simplify right side
    43,720,739.28x = 852,867,580,898,678.38
  5. Step 5: Solve for x
    x = 852,867,580,898,678.38/43,720,739.28
  6. Step 6: Final answer
    x = 19,507,162.85

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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.