Home / 9,378,701.91-12,942,608.63-5,086,349.91

Finding the Fourth Proportional to 9,378,701.91, 12,942,608.63 and 5,086,349.91

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Solution

The fourth proportional to 9,378,701.91, 12,942,608.63 and 5,086,349.91 is: 7,019,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,701.91 : 12,942,608.63 = 5,086,349.91 : x
  2. Step 2: Convert to fraction form
    9,378,701.91/12,942,608.63 = 5,086,349.91/x
  3. Step 3: Cross multiply
    9,378,701.91x = 12,942,608.63 × 5,086,349.91
  4. Step 4: Simplify right side
    9,378,701.91x = 65,830,636,240,365.73
  5. Step 5: Solve for x
    x = 65,830,636,240,365.73/9,378,701.91
  6. Step 6: Final answer
    x = 7,019,162.87

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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.