Home / 28,734,664.77-43,115,449.30-12,558,514.21

Finding the Fourth Proportional to 28,734,664.77, 43,115,449.30 and 12,558,514.21

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Solution

The fourth proportional to 28,734,664.77, 43,115,449.30 and 12,558,514.21 is: 18,843,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734,664.77 : 43,115,449.30 = 12,558,514.21 : x
  2. Step 2: Convert to fraction form
    28,734,664.77/43,115,449.30 = 12,558,514.21/x
  3. Step 3: Cross multiply
    28,734,664.77x = 43,115,449.30 × 12,558,514.21
  4. Step 4: Simplify right side
    28,734,664.77x = 541,465,982,565,399.62
  5. Step 5: Solve for x
    x = 541,465,982,565,399.62/28,734,664.77
  6. Step 6: Final answer
    x = 18,843,650.58

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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.