Home / 8,283,521.20-12,426,130.04-3,170,251.28

Finding the Fourth Proportional to 8,283,521.20, 12,426,130.04 and 3,170,251.28

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Solution

The fourth proportional to 8,283,521.20, 12,426,130.04 and 3,170,251.28 is: 4,755,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283,521.20 : 12,426,130.04 = 3,170,251.28 : x
  2. Step 2: Convert to fraction form
    8,283,521.20/12,426,130.04 = 3,170,251.28/x
  3. Step 3: Cross multiply
    8,283,521.20x = 12,426,130.04 × 3,170,251.28
  4. Step 4: Simplify right side
    8,283,521.20x = 39,393,954,664,756.45
  5. Step 5: Solve for x
    x = 39,393,954,664,756.45/8,283,521.20
  6. Step 6: Final answer
    x = 4,755,701.56

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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.