Home / 15,992,372.70-23,988,540.60-5,209,656.36

Finding the Fourth Proportional to 15,992,372.70, 23,988,540.60 and 5,209,656.36

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Solution

The fourth proportional to 15,992,372.70, 23,988,540.60 and 5,209,656.36 is: 7,814,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992,372.70 : 23,988,540.60 = 5,209,656.36 : x
  2. Step 2: Convert to fraction form
    15,992,372.70/23,988,540.60 = 5,209,656.36/x
  3. Step 3: Cross multiply
    15,992,372.70x = 23,988,540.60 × 5,209,656.36
  4. Step 4: Simplify right side
    15,992,372.70x = 124,972,053,103,908.23
  5. Step 5: Solve for x
    x = 124,972,053,103,908.23/15,992,372.70
  6. Step 6: Final answer
    x = 7,814,478.53

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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.