Home / 10,806,778.74-16,188,866.71-8,787,302.94

Finding the Fourth Proportional to 10,806,778.74, 16,188,866.71 and 8,787,302.94

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Solution

The fourth proportional to 10,806,778.74, 16,188,866.71 and 8,787,302.94 is: 13,163,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806,778.74 : 16,188,866.71 = 8,787,302.94 : x
  2. Step 2: Convert to fraction form
    10,806,778.74/16,188,866.71 = 8,787,302.94/x
  3. Step 3: Cross multiply
    10,806,778.74x = 16,188,866.71 × 8,787,302.94
  4. Step 4: Simplify right side
    10,806,778.74x = 142,256,476,036,051.12
  5. Step 5: Solve for x
    x = 142,256,476,036,051.12/10,806,778.74
  6. Step 6: Final answer
    x = 13,163,633.63

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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.