Home / 15,376,721.44-21,220,318.56-8,501,647.36

Finding the Fourth Proportional to 15,376,721.44, 21,220,318.56 and 8,501,647.36

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Solution

The fourth proportional to 15,376,721.44, 21,220,318.56 and 8,501,647.36 is: 11,732,518.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376,721.44 : 21,220,318.56 = 8,501,647.36 : x
  2. Step 2: Convert to fraction form
    15,376,721.44/21,220,318.56 = 8,501,647.36/x
  3. Step 3: Cross multiply
    15,376,721.44x = 21,220,318.56 × 8,501,647.36
  4. Step 4: Simplify right side
    15,376,721.44x = 180,407,665,263,982.97
  5. Step 5: Solve for x
    x = 180,407,665,263,982.97/15,376,721.44
  6. Step 6: Final answer
    x = 11,732,518.27

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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.