Home / 15,257,591.63-21,055,484.95-8,382,516.56

Finding the Fourth Proportional to 15,257,591.63, 21,055,484.95 and 8,382,516.56

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Solution

The fourth proportional to 15,257,591.63, 21,055,484.95 and 8,382,516.56 is: 11,567,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,591.63 : 21,055,484.95 = 8,382,516.56 : x
  2. Step 2: Convert to fraction form
    15,257,591.63/21,055,484.95 = 8,382,516.56/x
  3. Step 3: Cross multiply
    15,257,591.63x = 21,055,484.95 × 8,382,516.56
  4. Step 4: Simplify right side
    15,257,591.63x = 176,497,951,145,972.06
  5. Step 5: Solve for x
    x = 176,497,951,145,972.06/15,257,591.63
  6. Step 6: Final answer
    x = 11,567,877.52

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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.