Home / 18,538,887.10-27,772,461.42-10,427,216.62

Finding the Fourth Proportional to 18,538,887.10, 27,772,461.42 and 10,427,216.62

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Solution

The fourth proportional to 18,538,887.10, 27,772,461.42 and 10,427,216.62 is: 15,620,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,887.10 : 27,772,461.42 = 10,427,216.62 : x
  2. Step 2: Convert to fraction form
    18,538,887.10/27,772,461.42 = 10,427,216.62/x
  3. Step 3: Cross multiply
    18,538,887.10x = 27,772,461.42 × 10,427,216.62
  4. Step 4: Simplify right side
    18,538,887.10x = 289,589,471,296,932.81
  5. Step 5: Solve for x
    x = 289,589,471,296,932.81/18,538,887.10
  6. Step 6: Final answer
    x = 15,620,650.24

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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.