Home / 11,478,361.48-15,840,855.24-6,321,721.72

Finding the Fourth Proportional to 11,478,361.48, 15,840,855.24 and 6,321,721.72

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Solution

The fourth proportional to 11,478,361.48, 15,840,855.24 and 6,321,721.72 is: 8,724,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,361.48 : 15,840,855.24 = 6,321,721.72 : x
  2. Step 2: Convert to fraction form
    11,478,361.48/15,840,855.24 = 6,321,721.72/x
  3. Step 3: Cross multiply
    11,478,361.48x = 15,840,855.24 × 6,321,721.72
  4. Step 4: Simplify right side
    11,478,361.48x = 100,141,478,634,083.81
  5. Step 5: Solve for x
    x = 100,141,478,634,083.81/11,478,361.48
  6. Step 6: Final answer
    x = 8,724,370.53

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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.