Home / 15,915,101.86-21,962,840.73-8,671,757.86

Finding the Fourth Proportional to 15,915,101.86, 21,962,840.73 and 8,671,757.86

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Solution

The fourth proportional to 15,915,101.86, 21,962,840.73 and 8,671,757.86 is: 11,967,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915,101.86 : 21,962,840.73 = 8,671,757.86 : x
  2. Step 2: Convert to fraction form
    15,915,101.86/21,962,840.73 = 8,671,757.86/x
  3. Step 3: Cross multiply
    15,915,101.86x = 21,962,840.73 × 8,671,757.86
  4. Step 4: Simplify right side
    15,915,101.86x = 190,456,436,618,491.44
  5. Step 5: Solve for x
    x = 190,456,436,618,491.44/15,915,101.86
  6. Step 6: Final answer
    x = 11,967,025.93

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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.