Home / 15,268,691.94-21,070,260.60-8,393,124.80

Finding the Fourth Proportional to 15,268,691.94, 21,070,260.60 and 8,393,124.80

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Solution

The fourth proportional to 15,268,691.94, 21,070,260.60 and 8,393,124.80 is: 11,582,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,691.94 : 21,070,260.60 = 8,393,124.80 : x
  2. Step 2: Convert to fraction form
    15,268,691.94/21,070,260.60 = 8,393,124.80/x
  3. Step 3: Cross multiply
    15,268,691.94x = 21,070,260.60 × 8,393,124.80
  4. Step 4: Simplify right side
    15,268,691.94x = 176,845,326,784,322.91
  5. Step 5: Solve for x
    x = 176,845,326,784,322.91/15,268,691.94
  6. Step 6: Final answer
    x = 11,582,218.53

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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.