Home / 12,856,286.12-17,742,186.60-7,055,275.44

Finding the Fourth Proportional to 12,856,286.12, 17,742,186.60 and 7,055,275.44

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Solution

The fourth proportional to 12,856,286.12, 17,742,186.60 and 7,055,275.44 is: 9,736,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,856,286.12 : 17,742,186.60 = 7,055,275.44 : x
  2. Step 2: Convert to fraction form
    12,856,286.12/17,742,186.60 = 7,055,275.44/x
  3. Step 3: Cross multiply
    12,856,286.12x = 17,742,186.60 × 7,055,275.44
  4. Step 4: Simplify right side
    12,856,286.12x = 125,176,013,370,877.12
  5. Step 5: Solve for x
    x = 125,176,013,370,877.12/12,856,286.12
  6. Step 6: Final answer
    x = 9,736,560.95

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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.