Home / 29,226,540.20-40,332,732.39-15,815,205.56

Finding the Fourth Proportional to 29,226,540.20, 40,332,732.39 and 15,815,205.56

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Solution

The fourth proportional to 29,226,540.20, 40,332,732.39 and 15,815,205.56 is: 21,825,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,226,540.20 : 40,332,732.39 = 15,815,205.56 : x
  2. Step 2: Convert to fraction form
    29,226,540.20/40,332,732.39 = 15,815,205.56/x
  3. Step 3: Cross multiply
    29,226,540.20x = 40,332,732.39 × 15,815,205.56
  4. Step 4: Simplify right side
    29,226,540.20x = 637,870,453,342,656.38
  5. Step 5: Solve for x
    x = 637,870,453,342,656.38/29,226,540.20
  6. Step 6: Final answer
    x = 21,825,041.52

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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.