Home / 20,479,025.12-30,713,222.05-8,182,476.68

Finding the Fourth Proportional to 20,479,025.12, 30,713,222.05 and 8,182,476.68

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Solution

The fourth proportional to 20,479,025.12, 30,713,222.05 and 8,182,476.68 is: 12,271,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,479,025.12 : 30,713,222.05 = 8,182,476.68 : x
  2. Step 2: Convert to fraction form
    20,479,025.12/30,713,222.05 = 8,182,476.68/x
  3. Step 3: Cross multiply
    20,479,025.12x = 30,713,222.05 × 8,182,476.68
  4. Step 4: Simplify right side
    20,479,025.12x = 251,310,223,017,764.47
  5. Step 5: Solve for x
    x = 251,310,223,017,764.47/20,479,025.12
  6. Step 6: Final answer
    x = 12,271,591.13

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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.