Home / 5,390,151.30-8,085,226.95-5,000,427.90

Finding the Fourth Proportional to 5,390,151.30, 8,085,226.95 and 5,000,427.90

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Solution

The fourth proportional to 5,390,151.30, 8,085,226.95 and 5,000,427.90 is: 7,500,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,151.30 : 8,085,226.95 = 5,000,427.90 : x
  2. Step 2: Convert to fraction form
    5,390,151.30/8,085,226.95 = 5,000,427.90/x
  3. Step 3: Cross multiply
    5,390,151.30x = 8,085,226.95 × 5,000,427.90
  4. Step 4: Simplify right side
    5,390,151.30x = 40,429,594,418,611.91
  5. Step 5: Solve for x
    x = 40,429,594,418,611.91/5,390,151.30
  6. Step 6: Final answer
    x = 7,500,641.85

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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.