Home / 7,186,844.40-10,780,266.60-6,667,213.20

Finding the Fourth Proportional to 7,186,844.40, 10,780,266.60 and 6,667,213.20

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Solution

The fourth proportional to 7,186,844.40, 10,780,266.60 and 6,667,213.20 is: 10,000,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,844.40 : 10,780,266.60 = 6,667,213.20 : x
  2. Step 2: Convert to fraction form
    7,186,844.40/10,780,266.60 = 6,667,213.20/x
  3. Step 3: Cross multiply
    7,186,844.40x = 10,780,266.60 × 6,667,213.20
  4. Step 4: Simplify right side
    7,186,844.40x = 71,874,335,775,039.12
  5. Step 5: Solve for x
    x = 71,874,335,775,039.12/7,186,844.40
  6. Step 6: Final answer
    x = 10,000,819.80

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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.