Home / 12,554,791.90-18,832,187.85-9,720,439.90

Finding the Fourth Proportional to 12,554,791.90, 18,832,187.85 and 9,720,439.90

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Solution

The fourth proportional to 12,554,791.90, 18,832,187.85 and 9,720,439.90 is: 14,580,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554,791.90 : 18,832,187.85 = 9,720,439.90 : x
  2. Step 2: Convert to fraction form
    12,554,791.90/18,832,187.85 = 9,720,439.90/x
  3. Step 3: Cross multiply
    12,554,791.90x = 18,832,187.85 × 9,720,439.90
  4. Step 4: Simplify right side
    12,554,791.90x = 183,057,150,181,435.25
  5. Step 5: Solve for x
    x = 183,057,150,181,435.25/12,554,791.90
  6. Step 6: Final answer
    x = 14,580,659.85

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1.5x scale

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.