Home / 15,613,230.92-21,545,795.78-8,644,219

Finding the Fourth Proportional to 15,613,230.92, 21,545,795.78 and 8,644,219

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Solution

The fourth proportional to 15,613,230.92, 21,545,795.78 and 8,644,219 is: 11,928,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,230.92 : 21,545,795.78 = 8,644,219 : x
  2. Step 2: Convert to fraction form
    15,613,230.92/21,545,795.78 = 8,644,219/x
  3. Step 3: Cross multiply
    15,613,230.92x = 21,545,795.78 × 8,644,219
  4. Step 4: Simplify right side
    15,613,230.92x = 186,246,577,251,595.84
  5. Step 5: Solve for x
    x = 186,246,577,251,595.84/15,613,230.92
  6. Step 6: Final answer
    x = 11,928,765.94

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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.