Home / 8,167,547.85-12,251,321.78-7,047,803.85

Finding the Fourth Proportional to 8,167,547.85, 12,251,321.78 and 7,047,803.85

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Solution

The fourth proportional to 8,167,547.85, 12,251,321.78 and 7,047,803.85 is: 10,571,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,547.85 : 12,251,321.78 = 7,047,803.85 : x
  2. Step 2: Convert to fraction form
    8,167,547.85/12,251,321.78 = 7,047,803.85/x
  3. Step 3: Cross multiply
    8,167,547.85x = 12,251,321.78 × 7,047,803.85
  4. Step 4: Simplify right side
    8,167,547.85x = 86,344,912,773,433.83
  5. Step 5: Solve for x
    x = 86,344,912,773,433.83/8,167,547.85
  6. Step 6: Final answer
    x = 10,571,705.78

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Similar ratio
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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.