Home / 12,149,000.97-16,765,780.35-6,642,382.20

Finding the Fourth Proportional to 12,149,000.97, 16,765,780.35 and 6,642,382.20

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Solution

The fourth proportional to 12,149,000.97, 16,765,780.35 and 6,642,382.20 is: 9,166,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,000.97 : 16,765,780.35 = 6,642,382.20 : x
  2. Step 2: Convert to fraction form
    12,149,000.97/16,765,780.35 = 6,642,382.20/x
  3. Step 3: Cross multiply
    12,149,000.97x = 16,765,780.35 × 6,642,382.20
  4. Step 4: Simplify right side
    12,149,000.97x = 111,364,720,954,238.34
  5. Step 5: Solve for x
    x = 111,364,720,954,238.34/12,149,000.97
  6. Step 6: Final answer
    x = 9,166,574.38

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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.