Home / 13,566,889.87-20,345,961.11-4,466,820.53

Finding the Fourth Proportional to 13,566,889.87, 20,345,961.11 and 4,466,820.53

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Solution

The fourth proportional to 13,566,889.87, 20,345,961.11 and 4,466,820.53 is: 6,698,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566,889.87 : 20,345,961.11 = 4,466,820.53 : x
  2. Step 2: Convert to fraction form
    13,566,889.87/20,345,961.11 = 4,466,820.53/x
  3. Step 3: Cross multiply
    13,566,889.87x = 20,345,961.11 × 4,466,820.53
  4. Step 4: Simplify right side
    13,566,889.87x = 90,881,756,817,260.39
  5. Step 5: Solve for x
    x = 90,881,756,817,260.39/13,566,889.87
  6. Step 6: Final answer
    x = 6,698,790.78

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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.