Home / 21,990,296.20-33,016,937.10-12,424,358.20

Finding the Fourth Proportional to 21,990,296.20, 33,016,937.10 and 12,424,358.20

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Solution

The fourth proportional to 21,990,296.20, 33,016,937.10 and 12,424,358.20 is: 18,654,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,296.20 : 33,016,937.10 = 12,424,358.20 : x
  2. Step 2: Convert to fraction form
    21,990,296.20/33,016,937.10 = 12,424,358.20/x
  3. Step 3: Cross multiply
    21,990,296.20x = 33,016,937.10 × 12,424,358.20
  4. Step 4: Simplify right side
    21,990,296.20x = 410,214,253,197,269.19
  5. Step 5: Solve for x
    x = 410,214,253,197,269.19/21,990,296.20
  6. Step 6: Final answer
    x = 18,654,330.50

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1.5x scale

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.