Home / 28,476,833.10-42,711,102.45-8,279,969.10

Finding the Fourth Proportional to 28,476,833.10, 42,711,102.45 and 8,279,969.10

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Solution

The fourth proportional to 28,476,833.10, 42,711,102.45 and 8,279,969.10 is: 12,418,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476,833.10 : 42,711,102.45 = 8,279,969.10 : x
  2. Step 2: Convert to fraction form
    28,476,833.10/42,711,102.45 = 8,279,969.10/x
  3. Step 3: Cross multiply
    28,476,833.10x = 42,711,102.45 × 8,279,969.10
  4. Step 4: Simplify right side
    28,476,833.10x = 353,646,608,512,934.31
  5. Step 5: Solve for x
    x = 353,646,608,512,934.31/28,476,833.10
  6. Step 6: Final answer
    x = 12,418,747.80

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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.