Home / 5,648,961.90-8,473,442.85-5,428,512.30

Finding the Fourth Proportional to 5,648,961.90, 8,473,442.85 and 5,428,512.30

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Solution

The fourth proportional to 5,648,961.90, 8,473,442.85 and 5,428,512.30 is: 8,142,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648,961.90 : 8,473,442.85 = 5,428,512.30 : x
  2. Step 2: Convert to fraction form
    5,648,961.90/8,473,442.85 = 5,428,512.30/x
  3. Step 3: Cross multiply
    5,648,961.90x = 8,473,442.85 × 5,428,512.30
  4. Step 4: Simplify right side
    5,648,961.90x = 45,998,188,734,572.05
  5. Step 5: Solve for x
    x = 45,998,188,734,572.05/5,648,961.90
  6. Step 6: Final answer
    x = 8,142,768.45

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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.