Home / 9,397,778.47-12,944,676.26-6,639,678.16

Finding the Fourth Proportional to 9,397,778.47, 12,944,676.26 and 6,639,678.16

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Solution

The fourth proportional to 9,397,778.47, 12,944,676.26 and 6,639,678.16 is: 9,145,617.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397,778.47 : 12,944,676.26 = 6,639,678.16 : x
  2. Step 2: Convert to fraction form
    9,397,778.47/12,944,676.26 = 6,639,678.16/x
  3. Step 3: Cross multiply
    9,397,778.47x = 12,944,676.26 × 6,639,678.16
  4. Step 4: Simplify right side
    9,397,778.47x = 85,948,484,236,029.98
  5. Step 5: Solve for x
    x = 85,948,484,236,029.98/9,397,778.47
  6. Step 6: Final answer
    x = 9,145,617.18

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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.