Home / 12,427,007.70-17,149,661-6,845,659.02

Finding the Fourth Proportional to 12,427,007.70, 17,149,661 and 6,845,659.02

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Solution

The fourth proportional to 12,427,007.70, 17,149,661 and 6,845,659.02 is: 9,447,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,007.70 : 17,149,661 = 6,845,659.02 : x
  2. Step 2: Convert to fraction form
    12,427,007.70/17,149,661 = 6,845,659.02/x
  3. Step 3: Cross multiply
    12,427,007.70x = 17,149,661 × 6,845,659.02
  4. Step 4: Simplify right side
    12,427,007.70x = 117,400,731,514,592.22
  5. Step 5: Solve for x
    x = 117,400,731,514,592.22/12,427,007.70
  6. Step 6: Final answer
    x = 9,447,224.49

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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.