Home / 13,591,870.20-20,387,805.30-7,545,252.60

Finding the Fourth Proportional to 13,591,870.20, 20,387,805.30 and 7,545,252.60

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Solution

The fourth proportional to 13,591,870.20, 20,387,805.30 and 7,545,252.60 is: 11,317,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,870.20 : 20,387,805.30 = 7,545,252.60 : x
  2. Step 2: Convert to fraction form
    13,591,870.20/20,387,805.30 = 7,545,252.60/x
  3. Step 3: Cross multiply
    13,591,870.20x = 20,387,805.30 × 7,545,252.60
  4. Step 4: Simplify right side
    13,591,870.20x = 153,831,140,948,118.78
  5. Step 5: Solve for x
    x = 153,831,140,948,118.78/13,591,870.20
  6. Step 6: Final answer
    x = 11,317,878.90

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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.