Home / 15,182,446.98-20,951,255.73-8,658,176.28

Finding the Fourth Proportional to 15,182,446.98, 20,951,255.73 and 8,658,176.28

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Solution

The fourth proportional to 15,182,446.98, 20,951,255.73 and 8,658,176.28 is: 11,947,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182,446.98 : 20,951,255.73 = 8,658,176.28 : x
  2. Step 2: Convert to fraction form
    15,182,446.98/20,951,255.73 = 8,658,176.28/x
  3. Step 3: Cross multiply
    15,182,446.98x = 20,951,255.73 × 8,658,176.28
  4. Step 4: Simplify right side
    15,182,446.98x = 181,399,665,397,700.06
  5. Step 5: Solve for x
    x = 181,399,665,397,700.06/15,182,446.98
  6. Step 6: Final answer
    x = 11,947,986.09

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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.