Home / 18,532,332.77-27,781,965.43-9,429,338.93

Finding the Fourth Proportional to 18,532,332.77, 27,781,965.43 and 9,429,338.93

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Solution

The fourth proportional to 18,532,332.77, 27,781,965.43 and 9,429,338.93 is: 14,135,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532,332.77 : 27,781,965.43 = 9,429,338.93 : x
  2. Step 2: Convert to fraction form
    18,532,332.77/27,781,965.43 = 9,429,338.93/x
  3. Step 3: Cross multiply
    18,532,332.77x = 27,781,965.43 × 9,429,338.93
  4. Step 4: Simplify right side
    18,532,332.77x = 261,965,568,018,530.03
  5. Step 5: Solve for x
    x = 261,965,568,018,530.03/18,532,332.77
  6. Step 6: Final answer
    x = 14,135,595.95

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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.