Home / 12,855,558.71-17,741,772.87-7,055,461.64

Finding the Fourth Proportional to 12,855,558.71, 17,741,772.87 and 7,055,461.64

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Solution

The fourth proportional to 12,855,558.71, 17,741,772.87 and 7,055,461.64 is: 9,737,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,558.71 : 17,741,772.87 = 7,055,461.64 : x
  2. Step 2: Convert to fraction form
    12,855,558.71/17,741,772.87 = 7,055,461.64/x
  3. Step 3: Cross multiply
    12,855,558.71x = 17,741,772.87 × 7,055,461.64
  4. Step 4: Simplify right side
    12,855,558.71x = 125,176,397,909,877.70
  5. Step 5: Solve for x
    x = 125,176,397,909,877.70/12,855,558.71
  6. Step 6: Final answer
    x = 9,737,141.79

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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.