Home / 8,713,063.20-13,072,705.20-3,665,920.80

Finding the Fourth Proportional to 8,713,063.20, 13,072,705.20 and 3,665,920.80

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Solution

The fourth proportional to 8,713,063.20, 13,072,705.20 and 3,665,920.80 is: 5,500,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,063.20 : 13,072,705.20 = 3,665,920.80 : x
  2. Step 2: Convert to fraction form
    8,713,063.20/13,072,705.20 = 3,665,920.80/x
  3. Step 3: Cross multiply
    8,713,063.20x = 13,072,705.20 × 3,665,920.80
  4. Step 4: Simplify right side
    8,713,063.20x = 47,923,501,904,948.16
  5. Step 5: Solve for x
    x = 47,923,501,904,948.16/8,713,063.20
  6. Step 6: Final answer
    x = 5,500,189.86

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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.