Home / 10,207,515.20-15,311,272.80-3,018,408.80

Finding the Fourth Proportional to 10,207,515.20, 15,311,272.80 and 3,018,408.80

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Solution

The fourth proportional to 10,207,515.20, 15,311,272.80 and 3,018,408.80 is: 4,527,613.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207,515.20 : 15,311,272.80 = 3,018,408.80 : x
  2. Step 2: Convert to fraction form
    10,207,515.20/15,311,272.80 = 3,018,408.80/x
  3. Step 3: Cross multiply
    10,207,515.20x = 15,311,272.80 × 3,018,408.80
  4. Step 4: Simplify right side
    10,207,515.20x = 46,215,680,558,720.64
  5. Step 5: Solve for x
    x = 46,215,680,558,720.64/10,207,515.20
  6. Step 6: Final answer
    x = 4,527,613.20

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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.