Home / 8,103,072.40-12,147,005.40-3,057,773.20

Finding the Fourth Proportional to 8,103,072.40, 12,147,005.40 and 3,057,773.20

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Solution

The fourth proportional to 8,103,072.40, 12,147,005.40 and 3,057,773.20 is: 4,583,790.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,072.40 : 12,147,005.40 = 3,057,773.20 : x
  2. Step 2: Convert to fraction form
    8,103,072.40/12,147,005.40 = 3,057,773.20/x
  3. Step 3: Cross multiply
    8,103,072.40x = 12,147,005.40 × 3,057,773.20
  4. Step 4: Simplify right side
    8,103,072.40x = 37,142,787,572,375.28
  5. Step 5: Solve for x
    x = 37,142,787,572,375.28/8,103,072.40
  6. Step 6: Final answer
    x = 4,583,790.66

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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.