Home / 13,623,029.28-20,411,418.15-8,220,326.04

Finding the Fourth Proportional to 13,623,029.28, 20,411,418.15 and 8,220,326.04

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Solution

The fourth proportional to 13,623,029.28, 20,411,418.15 and 8,220,326.04 is: 12,316,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,029.28 : 20,411,418.15 = 8,220,326.04 : x
  2. Step 2: Convert to fraction form
    13,623,029.28/20,411,418.15 = 8,220,326.04/x
  3. Step 3: Cross multiply
    13,623,029.28x = 20,411,418.15 × 8,220,326.04
  4. Step 4: Simplify right side
    13,623,029.28x = 167,788,512,131,773.62
  5. Step 5: Solve for x
    x = 167,788,512,131,773.62/13,623,029.28
  6. Step 6: Final answer
    x = 12,316,534.65

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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.