Home / 7,278,704.60-10,918,056.90-7,184,226.20

Finding the Fourth Proportional to 7,278,704.60, 10,918,056.90 and 7,184,226.20

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Solution

The fourth proportional to 7,278,704.60, 10,918,056.90 and 7,184,226.20 is: 10,776,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278,704.60 : 10,918,056.90 = 7,184,226.20 : x
  2. Step 2: Convert to fraction form
    7,278,704.60/10,918,056.90 = 7,184,226.20/x
  3. Step 3: Cross multiply
    7,278,704.60x = 10,918,056.90 × 7,184,226.20
  4. Step 4: Simplify right side
    7,278,704.60x = 78,437,790,434,070.78
  5. Step 5: Solve for x
    x = 78,437,790,434,070.78/7,278,704.60
  6. Step 6: Final answer
    x = 10,776,339.30

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Double scale
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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.