Home / 13,565,617.74-18,720,548.19-7,454,439.90

Finding the Fourth Proportional to 13,565,617.74, 18,720,548.19 and 7,454,439.90

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Solution

The fourth proportional to 13,565,617.74, 18,720,548.19 and 7,454,439.90 is: 10,287,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,617.74 : 18,720,548.19 = 7,454,439.90 : x
  2. Step 2: Convert to fraction form
    13,565,617.74/18,720,548.19 = 7,454,439.90/x
  3. Step 3: Cross multiply
    13,565,617.74x = 18,720,548.19 × 7,454,439.90
  4. Step 4: Simplify right side
    13,565,617.74x = 139,551,201,283,806.05
  5. Step 5: Solve for x
    x = 139,551,201,283,806.05/13,565,617.74
  6. Step 6: Final answer
    x = 10,287,124.70

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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.