Home / 8,321,345.20-12,482,017.80-4,059,319.60

Finding the Fourth Proportional to 8,321,345.20, 12,482,017.80 and 4,059,319.60

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Solution

The fourth proportional to 8,321,345.20, 12,482,017.80 and 4,059,319.60 is: 6,088,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,345.20 : 12,482,017.80 = 4,059,319.60 : x
  2. Step 2: Convert to fraction form
    8,321,345.20/12,482,017.80 = 4,059,319.60/x
  3. Step 3: Cross multiply
    8,321,345.20x = 12,482,017.80 × 4,059,319.60
  4. Step 4: Simplify right side
    8,321,345.20x = 50,668,499,503,088.88
  5. Step 5: Solve for x
    x = 50,668,499,503,088.88/8,321,345.20
  6. Step 6: Final answer
    x = 6,088,979.40

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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.