Home / 28,850,508.06-39,813,709.70-15,619,682.34

Finding the Fourth Proportional to 28,850,508.06, 39,813,709.70 and 15,619,682.34

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Solution

The fourth proportional to 28,850,508.06, 39,813,709.70 and 15,619,682.34 is: 21,555,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850,508.06 : 39,813,709.70 = 15,619,682.34 : x
  2. Step 2: Convert to fraction form
    28,850,508.06/39,813,709.70 = 15,619,682.34/x
  3. Step 3: Cross multiply
    28,850,508.06x = 39,813,709.70 × 15,619,682.34
  4. Step 4: Simplify right side
    28,850,508.06x = 621,877,498,354,161.12
  5. Step 5: Solve for x
    x = 621,877,498,354,161.12/28,850,508.06
  6. Step 6: Final answer
    x = 21,555,166.27

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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.