Home / 15,794,998.20-21,800,465.10-10,840,217.40

Finding the Fourth Proportional to 15,794,998.20, 21,800,465.10 and 10,840,217.40

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Solution

The fourth proportional to 15,794,998.20, 21,800,465.10 and 10,840,217.40 is: 14,961,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794,998.20 : 21,800,465.10 = 10,840,217.40 : x
  2. Step 2: Convert to fraction form
    15,794,998.20/21,800,465.10 = 10,840,217.40/x
  3. Step 3: Cross multiply
    15,794,998.20x = 21,800,465.10 × 10,840,217.40
  4. Step 4: Simplify right side
    15,794,998.20x = 236,321,781,105,112.75
  5. Step 5: Solve for x
    x = 236,321,781,105,112.75/15,794,998.20
  6. Step 6: Final answer
    x = 14,961,811.21

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1.5x scale

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.