Home / 20,181,243.15-30,281,312.57-8,820,215.55

Finding the Fourth Proportional to 20,181,243.15, 30,281,312.57 and 8,820,215.55

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Solution

The fourth proportional to 20,181,243.15, 30,281,312.57 and 8,820,215.55 is: 13,234,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,243.15 : 30,281,312.57 = 8,820,215.55 : x
  2. Step 2: Convert to fraction form
    20,181,243.15/30,281,312.57 = 8,820,215.55/x
  3. Step 3: Cross multiply
    20,181,243.15x = 30,281,312.57 × 8,820,215.55
  4. Step 4: Simplify right side
    20,181,243.15x = 267,087,703,960,223.41
  5. Step 5: Solve for x
    x = 267,087,703,960,223.41/20,181,243.15
  6. Step 6: Final answer
    x = 13,234,452.50

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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.