Home / 15,239,239.83-21,030,164.55-8,269,917.36

Finding the Fourth Proportional to 15,239,239.83, 21,030,164.55 and 8,269,917.36

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Solution

The fourth proportional to 15,239,239.83, 21,030,164.55 and 8,269,917.36 is: 11,412,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239,239.83 : 21,030,164.55 = 8,269,917.36 : x
  2. Step 2: Convert to fraction form
    15,239,239.83/21,030,164.55 = 8,269,917.36/x
  3. Step 3: Cross multiply
    15,239,239.83x = 21,030,164.55 × 8,269,917.36
  4. Step 4: Simplify right side
    15,239,239.83x = 173,917,722,895,701.59
  5. Step 5: Solve for x
    x = 173,917,722,895,701.59/15,239,239.83
  6. Step 6: Final answer
    x = 11,412,493.33

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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.