Home / 12,463,346.80-18,681,023.40-5,273,657.20

Finding the Fourth Proportional to 12,463,346.80, 18,681,023.40 and 5,273,657.20

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Solution

The fourth proportional to 12,463,346.80, 18,681,023.40 and 5,273,657.20 is: 7,904,563.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,346.80 : 18,681,023.40 = 5,273,657.20 : x
  2. Step 2: Convert to fraction form
    12,463,346.80/18,681,023.40 = 5,273,657.20/x
  3. Step 3: Cross multiply
    12,463,346.80x = 18,681,023.40 × 5,273,657.20
  4. Step 4: Simplify right side
    12,463,346.80x = 98,517,313,556,778.47
  5. Step 5: Solve for x
    x = 98,517,313,556,778.47/12,463,346.80
  6. Step 6: Final answer
    x = 7,904,563.29

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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.