Home / 16,620,149.70-22,769,498.91-15,998,634.18

Finding the Fourth Proportional to 16,620,149.70, 22,769,498.91 and 15,998,634.18

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Solution

The fourth proportional to 16,620,149.70, 22,769,498.91 and 15,998,634.18 is: 21,918,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620,149.70 : 22,769,498.91 = 15,998,634.18 : x
  2. Step 2: Convert to fraction form
    16,620,149.70/22,769,498.91 = 15,998,634.18/x
  3. Step 3: Cross multiply
    16,620,149.70x = 22,769,498.91 × 15,998,634.18
  4. Step 4: Simplify right side
    16,620,149.70x = 364,280,883,522,998.75
  5. Step 5: Solve for x
    x = 364,280,883,522,998.75/16,620,149.70
  6. Step 6: Final answer
    x = 21,918,026.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.