Home / 13,171,218.28-19,756,827.42-8,682,444.52

Finding the Fourth Proportional to 13,171,218.28, 19,756,827.42 and 8,682,444.52

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Solution

The fourth proportional to 13,171,218.28, 19,756,827.42 and 8,682,444.52 is: 13,023,666.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,218.28 : 19,756,827.42 = 8,682,444.52 : x
  2. Step 2: Convert to fraction form
    13,171,218.28/19,756,827.42 = 8,682,444.52/x
  3. Step 3: Cross multiply
    13,171,218.28x = 19,756,827.42 × 8,682,444.52
  4. Step 4: Simplify right side
    13,171,218.28x = 171,537,557,965,364.75
  5. Step 5: Solve for x
    x = 171,537,557,965,364.75/13,171,218.28
  6. Step 6: Final answer
    x = 13,023,666.78

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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.