Home / 21,448,311.60-29,598,689.76-11,658,755.50

Finding the Fourth Proportional to 21,448,311.60, 29,598,689.76 and 11,658,755.50

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Solution

The fourth proportional to 21,448,311.60, 29,598,689.76 and 11,658,755.50 is: 16,089,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448,311.60 : 29,598,689.76 = 11,658,755.50 : x
  2. Step 2: Convert to fraction form
    21,448,311.60/29,598,689.76 = 11,658,755.50/x
  3. Step 3: Cross multiply
    21,448,311.60x = 29,598,689.76 × 11,658,755.50
  4. Step 4: Simplify right side
    21,448,311.60x = 345,083,887,032,193.69
  5. Step 5: Solve for x
    x = 345,083,887,032,193.69/21,448,311.60
  6. Step 6: Final answer
    x = 16,089,093.33

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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.