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Finding the Fourth Proportional to 18,114,538.96, 24,998,026.44 and 9,965,757.52

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Solution

The fourth proportional to 18,114,538.96, 24,998,026.44 and 9,965,757.52 is: 13,752,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114,538.96 : 24,998,026.44 = 9,965,757.52 : x
  2. Step 2: Convert to fraction form
    18,114,538.96/24,998,026.44 = 9,965,757.52/x
  3. Step 3: Cross multiply
    18,114,538.96x = 24,998,026.44 × 9,965,757.52
  4. Step 4: Simplify right side
    18,114,538.96x = 249,124,269,979,588.84
  5. Step 5: Solve for x
    x = 249,124,269,979,588.84/18,114,538.96
  6. Step 6: Final answer
    x = 13,752,724.84

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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.