Home / 21,942,811.80-32,914,217.70-18,695,554.20

Finding the Fourth Proportional to 21,942,811.80, 32,914,217.70 and 18,695,554.20

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Solution

The fourth proportional to 21,942,811.80, 32,914,217.70 and 18,695,554.20 is: 28,043,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942,811.80 : 32,914,217.70 = 18,695,554.20 : x
  2. Step 2: Convert to fraction form
    21,942,811.80/32,914,217.70 = 18,695,554.20/x
  3. Step 3: Cross multiply
    21,942,811.80x = 32,914,217.70 × 18,695,554.20
  4. Step 4: Simplify right side
    21,942,811.80x = 615,349,540,960,949.25
  5. Step 5: Solve for x
    x = 615,349,540,960,949.25/21,942,811.80
  6. Step 6: Final answer
    x = 28,043,331.30

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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.