Home / 22,180,002.72-30,606,406.56-12,389,591.04

Finding the Fourth Proportional to 22,180,002.72, 30,606,406.56 and 12,389,591.04

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Solution

The fourth proportional to 22,180,002.72, 30,606,406.56 and 12,389,591.04 is: 17,096,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180,002.72 : 30,606,406.56 = 12,389,591.04 : x
  2. Step 2: Convert to fraction form
    22,180,002.72/30,606,406.56 = 12,389,591.04/x
  3. Step 3: Cross multiply
    22,180,002.72x = 30,606,406.56 × 12,389,591.04
  4. Step 4: Simplify right side
    22,180,002.72x = 379,200,860,482,373.19
  5. Step 5: Solve for x
    x = 379,200,860,482,373.19/22,180,002.72
  6. Step 6: Final answer
    x = 17,096,520.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.