Home / 12,149,020.16-16,765,806.84-6,642,401.41

Finding the Fourth Proportional to 12,149,020.16, 16,765,806.84 and 6,642,401.41

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Solution

The fourth proportional to 12,149,020.16, 16,765,806.84 and 6,642,401.41 is: 9,166,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,020.16 : 16,765,806.84 = 6,642,401.41 : x
  2. Step 2: Convert to fraction form
    12,149,020.16/16,765,806.84 = 6,642,401.41/x
  3. Step 3: Cross multiply
    12,149,020.16x = 16,765,806.84 × 6,642,401.41
  4. Step 4: Simplify right side
    12,149,020.16x = 111,365,218,951,586.17
  5. Step 5: Solve for x
    x = 111,365,218,951,586.17/12,149,020.16
  6. Step 6: Final answer
    x = 9,166,600.88

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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.