Home / 17,921,738.61-26,862,263.73-15,758,576.91

Finding the Fourth Proportional to 17,921,738.61, 26,862,263.73 and 15,758,576.91

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Solution

The fourth proportional to 17,921,738.61, 26,862,263.73 and 15,758,576.91 is: 23,619,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921,738.61 : 26,862,263.73 = 15,758,576.91 : x
  2. Step 2: Convert to fraction form
    17,921,738.61/26,862,263.73 = 15,758,576.91/x
  3. Step 3: Cross multiply
    17,921,738.61x = 26,862,263.73 × 15,758,576.91
  4. Step 4: Simplify right side
    17,921,738.61x = 423,311,048,965,908.50
  5. Step 5: Solve for x
    x = 423,311,048,965,908.50/17,921,738.61
  6. Step 6: Final answer
    x = 23,619,976.73

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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.