Home / 18,507,715.68-25,540,383.60-10,246,985.76

Finding the Fourth Proportional to 18,507,715.68, 25,540,383.60 and 10,246,985.76

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Solution

The fourth proportional to 18,507,715.68, 25,540,383.60 and 10,246,985.76 is: 14,140,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507,715.68 : 25,540,383.60 = 10,246,985.76 : x
  2. Step 2: Convert to fraction form
    18,507,715.68/25,540,383.60 = 10,246,985.76/x
  3. Step 3: Cross multiply
    18,507,715.68x = 25,540,383.60 × 10,246,985.76
  4. Step 4: Simplify right side
    18,507,715.68x = 261,711,947,054,137.53
  5. Step 5: Solve for x
    x = 261,711,947,054,137.53/18,507,715.68
  6. Step 6: Final answer
    x = 14,140,694.16

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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.