Home / 8,140,689.40-12,211,034.10-5,111,475.70

Finding the Fourth Proportional to 8,140,689.40, 12,211,034.10 and 5,111,475.70

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Solution

The fourth proportional to 8,140,689.40, 12,211,034.10 and 5,111,475.70 is: 7,667,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,689.40 : 12,211,034.10 = 5,111,475.70 : x
  2. Step 2: Convert to fraction form
    8,140,689.40/12,211,034.10 = 5,111,475.70/x
  3. Step 3: Cross multiply
    8,140,689.40x = 12,211,034.10 × 5,111,475.70
  4. Step 4: Simplify right side
    8,140,689.40x = 62,416,404,074,021.37
  5. Step 5: Solve for x
    x = 62,416,404,074,021.37/8,140,689.40
  6. Step 6: Final answer
    x = 7,667,213.55

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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.