Home / 12,120,076.58-16,726,108.82-6,613,753.46

Finding the Fourth Proportional to 12,120,076.58, 16,726,108.82 and 6,613,753.46

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Solution

The fourth proportional to 12,120,076.58, 16,726,108.82 and 6,613,753.46 is: 9,127,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,076.58 : 16,726,108.82 = 6,613,753.46 : x
  2. Step 2: Convert to fraction form
    12,120,076.58/16,726,108.82 = 6,613,753.46/x
  3. Step 3: Cross multiply
    12,120,076.58x = 16,726,108.82 × 6,613,753.46
  4. Step 4: Simplify right side
    12,120,076.58x = 110,622,359,963,912.20
  5. Step 5: Solve for x
    x = 110,622,359,963,912.20/12,120,076.58
  6. Step 6: Final answer
    x = 9,127,199.76

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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.