Home / 5,472,015.70-8,208,023.55-5,178,082.90

Finding the Fourth Proportional to 5,472,015.70, 8,208,023.55 and 5,178,082.90

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Solution

The fourth proportional to 5,472,015.70, 8,208,023.55 and 5,178,082.90 is: 7,767,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,015.70 : 8,208,023.55 = 5,178,082.90 : x
  2. Step 2: Convert to fraction form
    5,472,015.70/8,208,023.55 = 5,178,082.90/x
  3. Step 3: Cross multiply
    5,472,015.70x = 8,208,023.55 × 5,178,082.90
  4. Step 4: Simplify right side
    5,472,015.70x = 42,501,826,387,052.30
  5. Step 5: Solve for x
    x = 42,501,826,387,052.30/5,472,015.70
  6. Step 6: Final answer
    x = 7,767,124.35

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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.