Home / 15,903,237.06-21,945,976.38-9,377,272.80

Finding the Fourth Proportional to 15,903,237.06, 21,945,976.38 and 9,377,272.80

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Solution

The fourth proportional to 15,903,237.06, 21,945,976.38 and 9,377,272.80 is: 12,940,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903,237.06 : 21,945,976.38 = 9,377,272.80 : x
  2. Step 2: Convert to fraction form
    15,903,237.06/21,945,976.38 = 9,377,272.80/x
  3. Step 3: Cross multiply
    15,903,237.06x = 21,945,976.38 × 9,377,272.80
  4. Step 4: Simplify right side
    15,903,237.06x = 205,793,407,377,616.47
  5. Step 5: Solve for x
    x = 205,793,407,377,616.47/15,903,237.06
  6. Step 6: Final answer
    x = 12,940,347.09

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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.