Home / 12,876,521.71-19,315,794.38-3,654,347.69

Finding the Fourth Proportional to 12,876,521.71, 19,315,794.38 and 3,654,347.69

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Solution

The fourth proportional to 12,876,521.71, 19,315,794.38 and 3,654,347.69 is: 5,481,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876,521.71 : 19,315,794.38 = 3,654,347.69 : x
  2. Step 2: Convert to fraction form
    12,876,521.71/19,315,794.38 = 3,654,347.69/x
  3. Step 3: Cross multiply
    12,876,521.71x = 19,315,794.38 × 3,654,347.69
  4. Step 4: Simplify right side
    12,876,521.71x = 70,586,628,485,624.88
  5. Step 5: Solve for x
    x = 70,586,628,485,624.88/12,876,521.71
  6. Step 6: Final answer
    x = 5,481,808.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.