Home / 39,368,315.20-59,022,948.30-20,212,819.60

Finding the Fourth Proportional to 39,368,315.20, 59,022,948.30 and 20,212,819.60

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Solution

The fourth proportional to 39,368,315.20, 59,022,948.30 and 20,212,819.60 is: 30,304,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,368,315.20 : 59,022,948.30 = 20,212,819.60 : x
  2. Step 2: Convert to fraction form
    39,368,315.20/59,022,948.30 = 20,212,819.60/x
  3. Step 3: Cross multiply
    39,368,315.20x = 59,022,948.30 × 20,212,819.60
  4. Step 4: Simplify right side
    39,368,315.20x = 1,193,020,206,248,026.75
  5. Step 5: Solve for x
    x = 1,193,020,206,248,026.75/39,368,315.20
  6. Step 6: Final answer
    x = 30,304,070.68

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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.