Home / 13,222,677.70-18,246,405.63-7,342,009.66

Finding the Fourth Proportional to 13,222,677.70, 18,246,405.63 and 7,342,009.66

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Solution

The fourth proportional to 13,222,677.70, 18,246,405.63 and 7,342,009.66 is: 10,131,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222,677.70 : 18,246,405.63 = 7,342,009.66 : x
  2. Step 2: Convert to fraction form
    13,222,677.70/18,246,405.63 = 7,342,009.66/x
  3. Step 3: Cross multiply
    13,222,677.70x = 18,246,405.63 × 7,342,009.66
  4. Step 4: Simplify right side
    13,222,677.70x = 133,965,286,395,738.38
  5. Step 5: Solve for x
    x = 133,965,286,395,738.38/13,222,677.70
  6. Step 6: Final answer
    x = 10,131,479.37

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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.