Home / 5,429,354.55-8,144,031.83-5,180,522.55

Finding the Fourth Proportional to 5,429,354.55, 8,144,031.83 and 5,180,522.55

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Solution

The fourth proportional to 5,429,354.55, 8,144,031.83 and 5,180,522.55 is: 7,770,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,354.55 : 8,144,031.83 = 5,180,522.55 : x
  2. Step 2: Convert to fraction form
    5,429,354.55/8,144,031.83 = 5,180,522.55/x
  3. Step 3: Cross multiply
    5,429,354.55x = 8,144,031.83 × 5,180,522.55
  4. Step 4: Simplify right side
    5,429,354.55x = 42,190,340,517,330.16
  5. Step 5: Solve for x
    x = 42,190,340,517,330.16/5,429,354.55
  6. Step 6: Final answer
    x = 7,770,783.83

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Similar ratio
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1.5x scale

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.