Home / 8,143,095.20-12,211,532.40-2,461,431.20

Finding the Fourth Proportional to 8,143,095.20, 12,211,532.40 and 2,461,431.20

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Solution

The fourth proportional to 8,143,095.20, 12,211,532.40 and 2,461,431.20 is: 3,691,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,095.20 : 12,211,532.40 = 2,461,431.20 : x
  2. Step 2: Convert to fraction form
    8,143,095.20/12,211,532.40 = 2,461,431.20/x
  3. Step 3: Cross multiply
    8,143,095.20x = 12,211,532.40 × 2,461,431.20
  4. Step 4: Simplify right side
    8,143,095.20x = 30,057,846,849,170.88
  5. Step 5: Solve for x
    x = 30,057,846,849,170.88/8,143,095.20
  6. Step 6: Final answer
    x = 3,691,206.61

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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.