Home / 40,539,600.60-55,943,957.40-21,954,589.80

Finding the Fourth Proportional to 40,539,600.60, 55,943,957.40 and 21,954,589.80

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Solution

The fourth proportional to 40,539,600.60, 55,943,957.40 and 21,954,589.80 is: 30,296,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,600.60 : 55,943,957.40 = 21,954,589.80 : x
  2. Step 2: Convert to fraction form
    40,539,600.60/55,943,957.40 = 21,954,589.80/x
  3. Step 3: Cross multiply
    40,539,600.60x = 55,943,957.40 × 21,954,589.80
  4. Step 4: Simplify right side
    40,539,600.60x = 1,228,226,636,505,674.50
  5. Step 5: Solve for x
    x = 1,228,226,636,505,674.50/40,539,600.60
  6. Step 6: Final answer
    x = 30,296,959.47

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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.