Home / 11,690,985.20-17,536,477.80-8,856,633.20

Finding the Fourth Proportional to 11,690,985.20, 17,536,477.80 and 8,856,633.20

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Solution

The fourth proportional to 11,690,985.20, 17,536,477.80 and 8,856,633.20 is: 13,284,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690,985.20 : 17,536,477.80 = 8,856,633.20 : x
  2. Step 2: Convert to fraction form
    11,690,985.20/17,536,477.80 = 8,856,633.20/x
  3. Step 3: Cross multiply
    11,690,985.20x = 17,536,477.80 × 8,856,633.20
  4. Step 4: Simplify right side
    11,690,985.20x = 155,314,151,494,542.97
  5. Step 5: Solve for x
    x = 155,314,151,494,542.97/11,690,985.20
  6. Step 6: Final answer
    x = 13,284,949.80

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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.