Home / 7,680,441.60-11,520,662.40-2,361,657.60

Finding the Fourth Proportional to 7,680,441.60, 11,520,662.40 and 2,361,657.60

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Solution

The fourth proportional to 7,680,441.60, 11,520,662.40 and 2,361,657.60 is: 3,542,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,441.60 : 11,520,662.40 = 2,361,657.60 : x
  2. Step 2: Convert to fraction form
    7,680,441.60/11,520,662.40 = 2,361,657.60/x
  3. Step 3: Cross multiply
    7,680,441.60x = 11,520,662.40 × 2,361,657.60
  4. Step 4: Simplify right side
    7,680,441.60x = 27,207,859,913,994.24
  5. Step 5: Solve for x
    x = 27,207,859,913,994.24/7,680,441.60
  6. Step 6: Final answer
    x = 3,542,486.40

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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.