Home / 57,475,021.02-86,223,906.68-21,083,729.28

Finding the Fourth Proportional to 57,475,021.02, 86,223,906.68 and 21,083,729.28

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Solution

The fourth proportional to 57,475,021.02, 86,223,906.68 and 21,083,729.28 is: 31,629,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475,021.02 : 86,223,906.68 = 21,083,729.28 : x
  2. Step 2: Convert to fraction form
    57,475,021.02/86,223,906.68 = 21,083,729.28/x
  3. Step 3: Cross multiply
    57,475,021.02x = 86,223,906.68 × 21,083,729.28
  4. Step 4: Simplify right side
    57,475,021.02x = 1,817,921,505,799,685
  5. Step 5: Solve for x
    x = 1,817,921,505,799,685/57,475,021.02
  6. Step 6: Final answer
    x = 31,629,766.70

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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.