Home / 12,317,558.10-18,441,345.15-11,647,266.90

Finding the Fourth Proportional to 12,317,558.10, 18,441,345.15 and 11,647,266.90

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Solution

The fourth proportional to 12,317,558.10, 18,441,345.15 and 11,647,266.90 is: 17,437,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,558.10 : 18,441,345.15 = 11,647,266.90 : x
  2. Step 2: Convert to fraction form
    12,317,558.10/18,441,345.15 = 11,647,266.90/x
  3. Step 3: Cross multiply
    12,317,558.10x = 18,441,345.15 × 11,647,266.90
  4. Step 4: Simplify right side
    12,317,558.10x = 214,791,268,957,070.53
  5. Step 5: Solve for x
    x = 214,791,268,957,070.53/12,317,558.10
  6. Step 6: Final answer
    x = 17,437,812.53

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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.