Home / 8,106,744.27-12,161,851.13-2,989,188.88

Finding the Fourth Proportional to 8,106,744.27, 12,161,851.13 and 2,989,188.88

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Solution

The fourth proportional to 8,106,744.27, 12,161,851.13 and 2,989,188.88 is: 4,484,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106,744.27 : 12,161,851.13 = 2,989,188.88 : x
  2. Step 2: Convert to fraction form
    8,106,744.27/12,161,851.13 = 2,989,188.88/x
  3. Step 3: Cross multiply
    8,106,744.27x = 12,161,851.13 × 2,989,188.88
  4. Step 4: Simplify right side
    8,106,744.27x = 36,354,070,082,256.23
  5. Step 5: Solve for x
    x = 36,354,070,082,256.23/8,106,744.27
  6. Step 6: Final answer
    x = 4,484,422.95

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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.