Home / 20,514,821.04-30,745,050.12-10,909,517.04

Finding the Fourth Proportional to 20,514,821.04, 30,745,050.12 and 10,909,517.04

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Solution

The fourth proportional to 20,514,821.04, 30,745,050.12 and 10,909,517.04 is: 16,349,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,821.04 : 30,745,050.12 = 10,909,517.04 : x
  2. Step 2: Convert to fraction form
    20,514,821.04/30,745,050.12 = 10,909,517.04/x
  3. Step 3: Cross multiply
    20,514,821.04x = 30,745,050.12 × 10,909,517.04
  4. Step 4: Simplify right side
    20,514,821.04x = 335,413,648,179,794
  5. Step 5: Solve for x
    x = 335,413,648,179,794/20,514,821.04
  6. Step 6: Final answer
    x = 16,349,820.82

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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.