Home / 8,381,010.80-12,552,853.80-7,261,266.80

Finding the Fourth Proportional to 8,381,010.80, 12,552,853.80 and 7,261,266.80

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Solution

The fourth proportional to 8,381,010.80, 12,552,853.80 and 7,261,266.80 is: 10,875,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,010.80 : 12,552,853.80 = 7,261,266.80 : x
  2. Step 2: Convert to fraction form
    8,381,010.80/12,552,853.80 = 7,261,266.80/x
  3. Step 3: Cross multiply
    8,381,010.80x = 12,552,853.80 × 7,261,266.80
  4. Step 4: Simplify right side
    8,381,010.80x = 91,149,620,543,193.84
  5. Step 5: Solve for x
    x = 91,149,620,543,193.84/8,381,010.80
  6. Step 6: Final answer
    x = 10,875,731.19

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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.