Home / 41,445,009.20-62,142,630.60-21,289,617.20

Finding the Fourth Proportional to 41,445,009.20, 62,142,630.60 and 21,289,617.20

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Solution

The fourth proportional to 41,445,009.20, 62,142,630.60 and 21,289,617.20 is: 31,921,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,445,009.20 : 62,142,630.60 = 21,289,617.20 : x
  2. Step 2: Convert to fraction form
    41,445,009.20/62,142,630.60 = 21,289,617.20/x
  3. Step 3: Cross multiply
    41,445,009.20x = 62,142,630.60 × 21,289,617.20
  4. Step 4: Simplify right side
    41,445,009.20x = 1,322,992,817,275,006.25
  5. Step 5: Solve for x
    x = 1,322,992,817,275,006.25/41,445,009.20
  6. Step 6: Final answer
    x = 31,921,643.71

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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.