Home / 27,877,919.81-41,802,521.10-12,512,036.80

Finding the Fourth Proportional to 27,877,919.81, 41,802,521.10 and 12,512,036.80

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Solution

The fourth proportional to 27,877,919.81, 41,802,521.10 and 12,512,036.80 is: 18,761,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877,919.81 : 41,802,521.10 = 12,512,036.80 : x
  2. Step 2: Convert to fraction form
    27,877,919.81/41,802,521.10 = 12,512,036.80/x
  3. Step 3: Cross multiply
    27,877,919.81x = 41,802,521.10 × 12,512,036.80
  4. Step 4: Simplify right side
    27,877,919.81x = 523,034,682,335,976.50
  5. Step 5: Solve for x
    x = 523,034,682,335,976.50/27,877,919.81
  6. Step 6: Final answer
    x = 18,761,610.84

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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.