Home / 18,468,004.20-27,702,006.30-7,681,720.20

Finding the Fourth Proportional to 18,468,004.20, 27,702,006.30 and 7,681,720.20

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Solution

The fourth proportional to 18,468,004.20, 27,702,006.30 and 7,681,720.20 is: 11,522,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,004.20 : 27,702,006.30 = 7,681,720.20 : x
  2. Step 2: Convert to fraction form
    18,468,004.20/27,702,006.30 = 7,681,720.20/x
  3. Step 3: Cross multiply
    18,468,004.20x = 27,702,006.30 × 7,681,720.20
  4. Step 4: Simplify right side
    18,468,004.20x = 212,799,061,375,237.28
  5. Step 5: Solve for x
    x = 212,799,061,375,237.28/18,468,004.20
  6. Step 6: Final answer
    x = 11,522,580.30

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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.