Home / 8,910,987.75-12,295,055.22-5,043,508.91

Finding the Fourth Proportional to 8,910,987.75, 12,295,055.22 and 5,043,508.91

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Solution

The fourth proportional to 8,910,987.75, 12,295,055.22 and 5,043,508.91 is: 6,958,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,987.75 : 12,295,055.22 = 5,043,508.91 : x
  2. Step 2: Convert to fraction form
    8,910,987.75/12,295,055.22 = 5,043,508.91/x
  3. Step 3: Cross multiply
    8,910,987.75x = 12,295,055.22 × 5,043,508.91
  4. Step 4: Simplify right side
    8,910,987.75x = 62,010,220,581,749.65
  5. Step 5: Solve for x
    x = 62,010,220,581,749.65/8,910,987.75
  6. Step 6: Final answer
    x = 6,958,849.27

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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.