Home / 8,306,143.40-12,456,882.30-2,628,108.20

Finding the Fourth Proportional to 8,306,143.40, 12,456,882.30 and 2,628,108.20

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Solution

The fourth proportional to 8,306,143.40, 12,456,882.30 and 2,628,108.20 is: 3,941,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,143.40 : 12,456,882.30 = 2,628,108.20 : x
  2. Step 2: Convert to fraction form
    8,306,143.40/12,456,882.30 = 2,628,108.20/x
  3. Step 3: Cross multiply
    8,306,143.40x = 12,456,882.30 × 2,628,108.20
  4. Step 4: Simplify right side
    8,306,143.40x = 32,738,034,519,064.86
  5. Step 5: Solve for x
    x = 32,738,034,519,064.86/8,306,143.40
  6. Step 6: Final answer
    x = 3,941,424.19

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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.