Home / 20,562,805.97-28,389,575.00-13,233,376.49

Finding the Fourth Proportional to 20,562,805.97, 28,389,575.00 and 13,233,376.49

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Solution

The fourth proportional to 20,562,805.97, 28,389,575.00 and 13,233,376.49 is: 18,270,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562,805.97 : 28,389,575.00 = 13,233,376.49 : x
  2. Step 2: Convert to fraction form
    20,562,805.97/28,389,575.00 = 13,233,376.49/x
  3. Step 3: Cross multiply
    20,562,805.97x = 28,389,575.00 × 13,233,376.49
  4. Step 4: Simplify right side
    20,562,805.97x = 375,689,934,157,977
  5. Step 5: Solve for x
    x = 375,689,934,157,977/20,562,805.97
  6. Step 6: Final answer
    x = 18,270,363.24

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Similar ratio
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1.5x scale

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.