Home / 8,586,002.60-12,879,003.90-5,184,780.20

Finding the Fourth Proportional to 8,586,002.60, 12,879,003.90 and 5,184,780.20

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Solution

The fourth proportional to 8,586,002.60, 12,879,003.90 and 5,184,780.20 is: 7,777,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,002.60 : 12,879,003.90 = 5,184,780.20 : x
  2. Step 2: Convert to fraction form
    8,586,002.60/12,879,003.90 = 5,184,780.20/x
  3. Step 3: Cross multiply
    8,586,002.60x = 12,879,003.90 × 5,184,780.20
  4. Step 4: Simplify right side
    8,586,002.60x = 66,774,804,416,442.78
  5. Step 5: Solve for x
    x = 66,774,804,416,442.78/8,586,002.60
  6. Step 6: Final answer
    x = 7,777,170.30

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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.