Home / 10,887,622.60-16,331,433.90-5,218,918.60

Finding the Fourth Proportional to 10,887,622.60, 16,331,433.90 and 5,218,918.60

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Solution

The fourth proportional to 10,887,622.60, 16,331,433.90 and 5,218,918.60 is: 7,828,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,622.60 : 16,331,433.90 = 5,218,918.60 : x
  2. Step 2: Convert to fraction form
    10,887,622.60/16,331,433.90 = 5,218,918.60/x
  3. Step 3: Cross multiply
    10,887,622.60x = 16,331,433.90 × 5,218,918.60
  4. Step 4: Simplify right side
    10,887,622.60x = 85,232,424,145,380.53
  5. Step 5: Solve for x
    x = 85,232,424,145,380.53/10,887,622.60
  6. Step 6: Final answer
    x = 7,828,377.90

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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.