Home / 20,509,044.30-30,761,233.65-5,364,506.70

Finding the Fourth Proportional to 20,509,044.30, 30,761,233.65 and 5,364,506.70

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Solution

The fourth proportional to 20,509,044.30, 30,761,233.65 and 5,364,506.70 is: 8,046,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509,044.30 : 30,761,233.65 = 5,364,506.70 : x
  2. Step 2: Convert to fraction form
    20,509,044.30/30,761,233.65 = 5,364,506.70/x
  3. Step 3: Cross multiply
    20,509,044.30x = 30,761,233.65 × 5,364,506.70
  4. Step 4: Simplify right side
    20,509,044.30x = 165,018,844,015,690.44
  5. Step 5: Solve for x
    x = 165,018,844,015,690.44/20,509,044.30
  6. Step 6: Final answer
    x = 8,046,149.86

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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.