Home / 8,065,381.80-12,098,072.70-7,318,885.80

Finding the Fourth Proportional to 8,065,381.80, 12,098,072.70 and 7,318,885.80

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Solution

The fourth proportional to 8,065,381.80, 12,098,072.70 and 7,318,885.80 is: 10,978,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,381.80 : 12,098,072.70 = 7,318,885.80 : x
  2. Step 2: Convert to fraction form
    8,065,381.80/12,098,072.70 = 7,318,885.80/x
  3. Step 3: Cross multiply
    8,065,381.80x = 12,098,072.70 × 7,318,885.80
  4. Step 4: Simplify right side
    8,065,381.80x = 88,544,412,491,397.66
  5. Step 5: Solve for x
    x = 88,544,412,491,397.66/8,065,381.80
  6. Step 6: Final answer
    x = 10,978,328.70

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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.