Home / 28,850,508.56-39,813,710.39-15,619,682.85

Finding the Fourth Proportional to 28,850,508.56, 39,813,710.39 and 15,619,682.85

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Solution

The fourth proportional to 28,850,508.56, 39,813,710.39 and 15,619,682.85 is: 21,555,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850,508.56 : 39,813,710.39 = 15,619,682.85 : x
  2. Step 2: Convert to fraction form
    28,850,508.56/39,813,710.39 = 15,619,682.85/x
  3. Step 3: Cross multiply
    28,850,508.56x = 39,813,710.39 × 15,619,682.85
  4. Step 4: Simplify right side
    28,850,508.56x = 621,877,529,096,382.88
  5. Step 5: Solve for x
    x = 621,877,529,096,382.88/28,850,508.56
  6. Step 6: Final answer
    x = 21,555,166.97

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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.