Home / 18,276,427.94-25,206,942.20-15,532,199.46

Finding the Fourth Proportional to 18,276,427.94, 25,206,942.20 and 15,532,199.46

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Solution

The fourth proportional to 18,276,427.94, 25,206,942.20 and 15,532,199.46 is: 21,422,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276,427.94 : 25,206,942.20 = 15,532,199.46 : x
  2. Step 2: Convert to fraction form
    18,276,427.94/25,206,942.20 = 15,532,199.46/x
  3. Step 3: Cross multiply
    18,276,427.94x = 25,206,942.20 × 15,532,199.46
  4. Step 4: Simplify right side
    18,276,427.94x = 391,519,253,949,430.25
  5. Step 5: Solve for x
    x = 391,519,253,949,430.25/18,276,427.94
  6. Step 6: Final answer
    x = 21,422,088.35

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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.