Home / 21,355,266.80-32,043,397.80-9,993,753.20

Finding the Fourth Proportional to 21,355,266.80, 32,043,397.80 and 9,993,753.20

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Solution

The fourth proportional to 21,355,266.80, 32,043,397.80 and 9,993,753.20 is: 14,995,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,266.80 : 32,043,397.80 = 9,993,753.20 : x
  2. Step 2: Convert to fraction form
    21,355,266.80/32,043,397.80 = 9,993,753.20/x
  3. Step 3: Cross multiply
    21,355,266.80x = 32,043,397.80 × 9,993,753.20
  4. Step 4: Simplify right side
    21,355,266.80x = 320,233,809,302,622.94
  5. Step 5: Solve for x
    x = 320,233,809,302,622.94/21,355,266.80
  6. Step 6: Final answer
    x = 14,995,542.43

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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.