Home / 15,691,827.52-21,654,980.97-8,627,719.24

Finding the Fourth Proportional to 15,691,827.52, 21,654,980.97 and 8,627,719.24

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Solution

The fourth proportional to 15,691,827.52, 21,654,980.97 and 8,627,719.24 is: 11,906,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691,827.52 : 21,654,980.97 = 8,627,719.24 : x
  2. Step 2: Convert to fraction form
    15,691,827.52/21,654,980.97 = 8,627,719.24/x
  3. Step 3: Cross multiply
    15,691,827.52x = 21,654,980.97 × 8,627,719.24
  4. Step 4: Simplify right side
    15,691,827.52x = 186,833,095,956,702.84
  5. Step 5: Solve for x
    x = 186,833,095,956,702.84/15,691,827.52
  6. Step 6: Final answer
    x = 11,906,394.95

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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.