Home / 21,339,707.76-32,009,645.68-5,165,633.05

Finding the Fourth Proportional to 21,339,707.76, 32,009,645.68 and 5,165,633.05

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Solution

The fourth proportional to 21,339,707.76, 32,009,645.68 and 5,165,633.05 is: 7,748,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,707.76 : 32,009,645.68 = 5,165,633.05 : x
  2. Step 2: Convert to fraction form
    21,339,707.76/32,009,645.68 = 5,165,633.05/x
  3. Step 3: Cross multiply
    21,339,707.76x = 32,009,645.68 × 5,165,633.05
  4. Step 4: Simplify right side
    21,339,707.76x = 165,350,083,550,459.53
  5. Step 5: Solve for x
    x = 165,350,083,550,459.53/21,339,707.76
  6. Step 6: Final answer
    x = 7,748,469.91

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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.