Home / 15,219,667.80-21,003,169.74-8,250,323.94

Finding the Fourth Proportional to 15,219,667.80, 21,003,169.74 and 8,250,323.94

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Solution

The fourth proportional to 15,219,667.80, 21,003,169.74 and 8,250,323.94 is: 11,385,462.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,667.80 : 21,003,169.74 = 8,250,323.94 : x
  2. Step 2: Convert to fraction form
    15,219,667.80/21,003,169.74 = 8,250,323.94/x
  3. Step 3: Cross multiply
    15,219,667.80x = 21,003,169.74 × 8,250,323.94
  4. Step 4: Simplify right side
    15,219,667.80x = 173,282,954,121,805.56
  5. Step 5: Solve for x
    x = 173,282,954,121,805.56/15,219,667.80
  6. Step 6: Final answer
    x = 11,385,462.31

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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.