Home / 12,744,098.40-19,116,147.60-8,209,135.20

Finding the Fourth Proportional to 12,744,098.40, 19,116,147.60 and 8,209,135.20

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Solution

The fourth proportional to 12,744,098.40, 19,116,147.60 and 8,209,135.20 is: 12,313,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,098.40 : 19,116,147.60 = 8,209,135.20 : x
  2. Step 2: Convert to fraction form
    12,744,098.40/19,116,147.60 = 8,209,135.20/x
  3. Step 3: Cross multiply
    12,744,098.40x = 19,116,147.60 × 8,209,135.20
  4. Step 4: Simplify right side
    12,744,098.40x = 156,927,040,151,555.53
  5. Step 5: Solve for x
    x = 156,927,040,151,555.53/12,744,098.40
  6. Step 6: Final answer
    x = 12,313,702.80

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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.