Home / 11,081,721.40-16,635,023.70-8,568,518.20

Finding the Fourth Proportional to 11,081,721.40, 16,635,023.70 and 8,568,518.20

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Solution

The fourth proportional to 11,081,721.40, 16,635,023.70 and 8,568,518.20 is: 12,862,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081,721.40 : 16,635,023.70 = 8,568,518.20 : x
  2. Step 2: Convert to fraction form
    11,081,721.40/16,635,023.70 = 8,568,518.20/x
  3. Step 3: Cross multiply
    11,081,721.40x = 16,635,023.70 × 8,568,518.20
  4. Step 4: Simplify right side
    11,081,721.40x = 142,537,503,330,881.31
  5. Step 5: Solve for x
    x = 142,537,503,330,881.31/11,081,721.40
  6. Step 6: Final answer
    x = 12,862,397.29

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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.