Home / 13,579,734.60-18,739,773.87-7,468,163.10

Finding the Fourth Proportional to 13,579,734.60, 18,739,773.87 and 7,468,163.10

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Solution

The fourth proportional to 13,579,734.60, 18,739,773.87 and 7,468,163.10 is: 10,305,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,734.60 : 18,739,773.87 = 7,468,163.10 : x
  2. Step 2: Convert to fraction form
    13,579,734.60/18,739,773.87 = 7,468,163.10/x
  3. Step 3: Cross multiply
    13,579,734.60x = 18,739,773.87 × 7,468,163.10
  4. Step 4: Simplify right side
    13,579,734.60x = 139,951,687,718,278.20
  5. Step 5: Solve for x
    x = 139,951,687,718,278.20/13,579,734.60
  6. Step 6: Final answer
    x = 10,305,922.16

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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.