Home / 22,757,269.32-31,378,197.78-18,392,859.72

Finding the Fourth Proportional to 22,757,269.32, 31,378,197.78 and 18,392,859.72

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Solution

The fourth proportional to 22,757,269.32, 31,378,197.78 and 18,392,859.72 is: 25,360,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,757,269.32 : 31,378,197.78 = 18,392,859.72 : x
  2. Step 2: Convert to fraction form
    22,757,269.32/31,378,197.78 = 18,392,859.72/x
  3. Step 3: Cross multiply
    22,757,269.32x = 31,378,197.78 × 18,392,859.72
  4. Step 4: Simplify right side
    22,757,269.32x = 577,134,790,033,955.38
  5. Step 5: Solve for x
    x = 577,134,790,033,955.38/22,757,269.32
  6. Step 6: Final answer
    x = 25,360,458.76

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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.