Home / 20,281,149.63-30,452,116.20-17,557,099.31

Finding the Fourth Proportional to 20,281,149.63, 30,452,116.20 and 17,557,099.31

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Solution

The fourth proportional to 20,281,149.63, 30,452,116.20 and 17,557,099.31 is: 26,361,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281,149.63 : 30,452,116.20 = 17,557,099.31 : x
  2. Step 2: Convert to fraction form
    20,281,149.63/30,452,116.20 = 17,557,099.31/x
  3. Step 3: Cross multiply
    20,281,149.63x = 30,452,116.20 × 17,557,099.31
  4. Step 4: Simplify right side
    20,281,149.63x = 534,650,828,432,109.69
  5. Step 5: Solve for x
    x = 534,650,828,432,109.69/20,281,149.63
  6. Step 6: Final answer
    x = 26,361,958.68

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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.