Home / 21,818,065-32,731,821.66-8,354,893.48

Finding the Fourth Proportional to 21,818,065, 32,731,821.66 and 8,354,893.48

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Solution

The fourth proportional to 21,818,065, 32,731,821.66 and 8,354,893.48 is: 12,534,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818,065 : 32,731,821.66 = 8,354,893.48 : x
  2. Step 2: Convert to fraction form
    21,818,065/32,731,821.66 = 8,354,893.48/x
  3. Step 3: Cross multiply
    21,818,065x = 32,731,821.66 × 8,354,893.48
  4. Step 4: Simplify right side
    21,818,065x = 273,470,883,375,656.78
  5. Step 5: Solve for x
    x = 273,470,883,375,656.78/21,818,065
  6. Step 6: Final answer
    x = 12,534,149.26

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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.