Home / 13,712,616.50-18,923,001.03-7,517,451.38

Finding the Fourth Proportional to 13,712,616.50, 18,923,001.03 and 7,517,451.38

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Solution

The fourth proportional to 13,712,616.50, 18,923,001.03 and 7,517,451.38 is: 10,373,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,616.50 : 18,923,001.03 = 7,517,451.38 : x
  2. Step 2: Convert to fraction form
    13,712,616.50/18,923,001.03 = 7,517,451.38/x
  3. Step 3: Cross multiply
    13,712,616.50x = 18,923,001.03 × 7,517,451.38
  4. Step 4: Simplify right side
    13,712,616.50x = 142,252,740,112,099.94
  5. Step 5: Solve for x
    x = 142,252,740,112,099.94/13,712,616.50
  6. Step 6: Final answer
    x = 10,373,858.28

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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.