Home / 15,257,591.88-21,055,485.29-8,382,516.81

Finding the Fourth Proportional to 15,257,591.88, 21,055,485.29 and 8,382,516.81

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Solution

The fourth proportional to 15,257,591.88, 21,055,485.29 and 8,382,516.81 is: 11,567,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257,591.88 : 21,055,485.29 = 8,382,516.81 : x
  2. Step 2: Convert to fraction form
    15,257,591.88/21,055,485.29 = 8,382,516.81/x
  3. Step 3: Cross multiply
    15,257,591.88x = 21,055,485.29 × 8,382,516.81
  4. Step 4: Simplify right side
    15,257,591.88x = 176,497,959,386,132.72
  5. Step 5: Solve for x
    x = 176,497,959,386,132.72/15,257,591.88
  6. Step 6: Final answer
    x = 11,567,877.87

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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.