Home / 11,187,623.20-16,781,434.80-5,122,343.20

Finding the Fourth Proportional to 11,187,623.20, 16,781,434.80 and 5,122,343.20

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Solution

The fourth proportional to 11,187,623.20, 16,781,434.80 and 5,122,343.20 is: 7,683,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187,623.20 : 16,781,434.80 = 5,122,343.20 : x
  2. Step 2: Convert to fraction form
    11,187,623.20/16,781,434.80 = 5,122,343.20/x
  3. Step 3: Cross multiply
    11,187,623.20x = 16,781,434.80 × 5,122,343.20
  4. Step 4: Simplify right side
    11,187,623.20x = 85,960,268,434,023.36
  5. Step 5: Solve for x
    x = 85,960,268,434,023.36/11,187,623.20
  6. Step 6: Final answer
    x = 7,683,514.80

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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.