Home / 12,638,049.93-17,440,456.55-6,836,818.05

Finding the Fourth Proportional to 12,638,049.93, 17,440,456.55 and 6,836,818.05

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Solution

The fourth proportional to 12,638,049.93, 17,440,456.55 and 6,836,818.05 is: 9,434,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,638,049.93 : 17,440,456.55 = 6,836,818.05 : x
  2. Step 2: Convert to fraction form
    12,638,049.93/17,440,456.55 = 6,836,818.05/x
  3. Step 3: Cross multiply
    12,638,049.93x = 17,440,456.55 × 6,836,818.05
  4. Step 4: Simplify right side
    12,638,049.93x = 119,237,228,107,096.64
  5. Step 5: Solve for x
    x = 119,237,228,107,096.64/12,638,049.93
  6. Step 6: Final answer
    x = 9,434,780.58

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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.