Home / 18,138,625.92-27,207,485.28-7,353,041.76

Finding the Fourth Proportional to 18,138,625.92, 27,207,485.28 and 7,353,041.76

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Solution

The fourth proportional to 18,138,625.92, 27,207,485.28 and 7,353,041.76 is: 11,029,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,138,625.92 : 27,207,485.28 = 7,353,041.76 : x
  2. Step 2: Convert to fraction form
    18,138,625.92/27,207,485.28 = 7,353,041.76/x
  3. Step 3: Cross multiply
    18,138,625.92x = 27,207,485.28 × 7,353,041.76
  4. Step 4: Simplify right side
    18,138,625.92x = 200,057,775,448,425.28
  5. Step 5: Solve for x
    x = 200,057,775,448,425.28/18,138,625.92
  6. Step 6: Final answer
    x = 11,029,378.76

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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.