Home / 40,539,601.60-55,943,958.78-21,954,590.80

Finding the Fourth Proportional to 40,539,601.60, 55,943,958.78 and 21,954,590.80

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Solution

The fourth proportional to 40,539,601.60, 55,943,958.78 and 21,954,590.80 is: 30,296,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,601.60 : 55,943,958.78 = 21,954,590.80 : x
  2. Step 2: Convert to fraction form
    40,539,601.60/55,943,958.78 = 21,954,590.80/x
  3. Step 3: Cross multiply
    40,539,601.60x = 55,943,958.78 × 21,954,590.80
  4. Step 4: Simplify right side
    40,539,601.60x = 1,228,226,722,746,967.25
  5. Step 5: Solve for x
    x = 1,228,226,722,746,967.25/40,539,601.60
  6. Step 6: Final answer
    x = 30,296,960.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.