Home / 15,191,993.61-20,964,949.56-8,222,670.00

Finding the Fourth Proportional to 15,191,993.61, 20,964,949.56 and 8,222,670.00

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Solution

The fourth proportional to 15,191,993.61, 20,964,949.56 and 8,222,670.00 is: 11,347,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,993.61 : 20,964,949.56 = 8,222,670.00 : x
  2. Step 2: Convert to fraction form
    15,191,993.61/20,964,949.56 = 8,222,670.00/x
  3. Step 3: Cross multiply
    15,191,993.61x = 20,964,949.56 × 8,222,670.00
  4. Step 4: Simplify right side
    15,191,993.61x = 172,387,861,880,611.28
  5. Step 5: Solve for x
    x = 172,387,861,880,611.28/15,191,993.61
  6. Step 6: Final answer
    x = 11,347,283.73

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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.