Home / 18,191,675.20-27,287,512.80-8,625,737.20

Finding the Fourth Proportional to 18,191,675.20, 27,287,512.80 and 8,625,737.20

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Solution

The fourth proportional to 18,191,675.20, 27,287,512.80 and 8,625,737.20 is: 12,938,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,675.20 : 27,287,512.80 = 8,625,737.20 : x
  2. Step 2: Convert to fraction form
    18,191,675.20/27,287,512.80 = 8,625,737.20/x
  3. Step 3: Cross multiply
    18,191,675.20x = 27,287,512.80 × 8,625,737.20
  4. Step 4: Simplify right side
    18,191,675.20x = 235,374,914,254,436.16
  5. Step 5: Solve for x
    x = 235,374,914,254,436.16/18,191,675.20
  6. Step 6: Final answer
    x = 12,938,605.80

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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.