Home / 15,621,917.42-21,558,005.24-8,746,645.52

Finding the Fourth Proportional to 15,621,917.42, 21,558,005.24 and 8,746,645.52

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Solution

The fourth proportional to 15,621,917.42, 21,558,005.24 and 8,746,645.52 is: 12,070,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621,917.42 : 21,558,005.24 = 8,746,645.52 : x
  2. Step 2: Convert to fraction form
    15,621,917.42/21,558,005.24 = 8,746,645.52/x
  3. Step 3: Cross multiply
    15,621,917.42x = 21,558,005.24 × 8,746,645.52
  4. Step 4: Simplify right side
    15,621,917.42x = 188,560,229,962,744.31
  5. Step 5: Solve for x
    x = 188,560,229,962,744.31/15,621,917.42
  6. Step 6: Final answer
    x = 12,070,235.99

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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.