Home / 30,521,976.20-45,782,964.30-11,348,765.90

Finding the Fourth Proportional to 30,521,976.20, 45,782,964.30 and 11,348,765.90

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Solution

The fourth proportional to 30,521,976.20, 45,782,964.30 and 11,348,765.90 is: 17,023,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,976.20 : 45,782,964.30 = 11,348,765.90 : x
  2. Step 2: Convert to fraction form
    30,521,976.20/45,782,964.30 = 11,348,765.90/x
  3. Step 3: Cross multiply
    30,521,976.20x = 45,782,964.30 × 11,348,765.90
  4. Step 4: Simplify right side
    30,521,976.20x = 519,580,144,048,757.38
  5. Step 5: Solve for x
    x = 519,580,144,048,757.38/30,521,976.20
  6. Step 6: Final answer
    x = 17,023,148.85

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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.