Home / 31,250,649.48-43,125,890.16-17,312,910.36

Finding the Fourth Proportional to 31,250,649.48, 43,125,890.16 and 17,312,910.36

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Solution

The fourth proportional to 31,250,649.48, 43,125,890.16 and 17,312,910.36 is: 23,891,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250,649.48 : 43,125,890.16 = 17,312,910.36 : x
  2. Step 2: Convert to fraction form
    31,250,649.48/43,125,890.16 = 17,312,910.36/x
  3. Step 3: Cross multiply
    31,250,649.48x = 43,125,890.16 × 17,312,910.36
  4. Step 4: Simplify right side
    31,250,649.48x = 746,634,670,535,286
  5. Step 5: Solve for x
    x = 746,634,670,535,286/31,250,649.48
  6. Step 6: Final answer
    x = 23,891,812.90

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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.