Home / 12,269,737.60-18,404,433.60-5,538,140.80

Finding the Fourth Proportional to 12,269,737.60, 18,404,433.60 and 5,538,140.80

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Solution

The fourth proportional to 12,269,737.60, 18,404,433.60 and 5,538,140.80 is: 8,307,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,737.60 : 18,404,433.60 = 5,538,140.80 : x
  2. Step 2: Convert to fraction form
    12,269,737.60/18,404,433.60 = 5,538,140.80/x
  3. Step 3: Cross multiply
    12,269,737.60x = 18,404,433.60 × 5,538,140.80
  4. Step 4: Simplify right side
    12,269,737.60x = 101,926,344,621,050.89
  5. Step 5: Solve for x
    x = 101,926,344,621,050.89/12,269,737.60
  6. Step 6: Final answer
    x = 8,307,133.20

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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.