Home / 40,539,602.60-55,943,960.16-21,954,591.80

Finding the Fourth Proportional to 40,539,602.60, 55,943,960.16 and 21,954,591.80

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Solution

The fourth proportional to 40,539,602.60, 55,943,960.16 and 21,954,591.80 is: 30,296,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539,602.60 : 55,943,960.16 = 21,954,591.80 : x
  2. Step 2: Convert to fraction form
    40,539,602.60/55,943,960.16 = 21,954,591.80/x
  3. Step 3: Cross multiply
    40,539,602.60x = 55,943,960.16 × 21,954,591.80
  4. Step 4: Simplify right side
    40,539,602.60x = 1,228,226,808,988,262.75
  5. Step 5: Solve for x
    x = 1,228,226,808,988,262.75/40,539,602.60
  6. Step 6: Final answer
    x = 30,296,962.23

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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.