Home / 18,109,215.60-27,163,823.40-10,917,047.40

Finding the Fourth Proportional to 18,109,215.60, 27,163,823.40 and 10,917,047.40

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Solution

The fourth proportional to 18,109,215.60, 27,163,823.40 and 10,917,047.40 is: 16,375,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,215.60 : 27,163,823.40 = 10,917,047.40 : x
  2. Step 2: Convert to fraction form
    18,109,215.60/27,163,823.40 = 10,917,047.40/x
  3. Step 3: Cross multiply
    18,109,215.60x = 27,163,823.40 × 10,917,047.40
  4. Step 4: Simplify right side
    18,109,215.60x = 296,548,747,623,029.12
  5. Step 5: Solve for x
    x = 296,548,747,623,029.12/18,109,215.60
  6. Step 6: Final answer
    x = 16,375,571.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.