Home / 12,126,326.16-16,734,360.16-6,619,704.78

Finding the Fourth Proportional to 12,126,326.16, 16,734,360.16 and 6,619,704.78

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Solution

The fourth proportional to 12,126,326.16, 16,734,360.16 and 6,619,704.78 is: 9,135,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,326.16 : 16,734,360.16 = 6,619,704.78 : x
  2. Step 2: Convert to fraction form
    12,126,326.16/16,734,360.16 = 6,619,704.78/x
  3. Step 3: Cross multiply
    12,126,326.16x = 16,734,360.16 × 6,619,704.78
  4. Step 4: Simplify right side
    12,126,326.16x = 110,776,523,941,393.56
  5. Step 5: Solve for x
    x = 110,776,523,941,393.56/12,126,326.16
  6. Step 6: Final answer
    x = 9,135,209.01

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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.