Home / 12,019,292.70-18,028,781.56-2,921,363.85

Finding the Fourth Proportional to 12,019,292.70, 18,028,781.56 and 2,921,363.85

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Solution

The fourth proportional to 12,019,292.70, 18,028,781.56 and 2,921,363.85 is: 4,382,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,292.70 : 18,028,781.56 = 2,921,363.85 : x
  2. Step 2: Convert to fraction form
    12,019,292.70/18,028,781.56 = 2,921,363.85/x
  3. Step 3: Cross multiply
    12,019,292.70x = 18,028,781.56 × 2,921,363.85
  4. Step 4: Simplify right side
    12,019,292.70x = 52,668,630,708,930.60
  5. Step 5: Solve for x
    x = 52,668,630,708,930.60/12,019,292.70
  6. Step 6: Final answer
    x = 4,382,007.50

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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.