Home / 13,502,447.84-20,251,488.64-4,986,794.72

Finding the Fourth Proportional to 13,502,447.84, 20,251,488.64 and 4,986,794.72

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Solution

The fourth proportional to 13,502,447.84, 20,251,488.64 and 4,986,794.72 is: 7,479,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502,447.84 : 20,251,488.64 = 4,986,794.72 : x
  2. Step 2: Convert to fraction form
    13,502,447.84/20,251,488.64 = 4,986,794.72/x
  3. Step 3: Cross multiply
    13,502,447.84x = 20,251,488.64 × 4,986,794.72
  4. Step 4: Simplify right side
    13,502,447.84x = 100,990,016,622,091.98
  5. Step 5: Solve for x
    x = 100,990,016,622,091.98/13,502,447.84
  6. Step 6: Final answer
    x = 7,479,385.80

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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.