Home / 12,170,825.23-18,227,256.66-7,042,447.26

Finding the Fourth Proportional to 12,170,825.23, 18,227,256.66 and 7,042,447.26

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Solution

The fourth proportional to 12,170,825.23, 18,227,256.66 and 7,042,447.26 is: 10,546,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,825.23 : 18,227,256.66 = 7,042,447.26 : x
  2. Step 2: Convert to fraction form
    12,170,825.23/18,227,256.66 = 7,042,447.26/x
  3. Step 3: Cross multiply
    12,170,825.23x = 18,227,256.66 × 7,042,447.26
  4. Step 4: Simplify right side
    12,170,825.23x = 128,364,493,631,397.47
  5. Step 5: Solve for x
    x = 128,364,493,631,397.47/12,170,825.23
  6. Step 6: Final answer
    x = 10,546,901.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.