Home / 15,914,192.90-21,961,288.77-8,850,219.35

Finding the Fourth Proportional to 15,914,192.90, 21,961,288.77 and 8,850,219.35

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Solution

The fourth proportional to 15,914,192.90, 21,961,288.77 and 8,850,219.35 is: 12,213,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914,192.90 : 21,961,288.77 = 8,850,219.35 : x
  2. Step 2: Convert to fraction form
    15,914,192.90/21,961,288.77 = 8,850,219.35/x
  3. Step 3: Cross multiply
    15,914,192.90x = 21,961,288.77 × 8,850,219.35
  4. Step 4: Simplify right side
    15,914,192.90x = 194,362,222,823,191.69
  5. Step 5: Solve for x
    x = 194,362,222,823,191.69/15,914,192.90
  6. Step 6: Final answer
    x = 12,213,137.29

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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.