Home / 21,587,418.20-32,371,909.48-12,495,791.28

Finding the Fourth Proportional to 21,587,418.20, 32,371,909.48 and 12,495,791.28

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Solution

The fourth proportional to 21,587,418.20, 32,371,909.48 and 12,495,791.28 is: 18,738,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587,418.20 : 32,371,909.48 = 12,495,791.28 : x
  2. Step 2: Convert to fraction form
    21,587,418.20/32,371,909.48 = 12,495,791.28/x
  3. Step 3: Cross multiply
    21,587,418.20x = 32,371,909.48 × 12,495,791.28
  4. Step 4: Simplify right side
    21,587,418.20x = 404,512,624,197,133.31
  5. Step 5: Solve for x
    x = 404,512,624,197,133.31/21,587,418.20
  6. Step 6: Final answer
    x = 18,738,351.22

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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.