Home / 11,478,357.48-15,840,849.72-6,321,717.72

Finding the Fourth Proportional to 11,478,357.48, 15,840,849.72 and 6,321,717.72

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Solution

The fourth proportional to 11,478,357.48, 15,840,849.72 and 6,321,717.72 is: 8,724,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,357.48 : 15,840,849.72 = 6,321,717.72 : x
  2. Step 2: Convert to fraction form
    11,478,357.48/15,840,849.72 = 6,321,717.72/x
  3. Step 3: Cross multiply
    11,478,357.48x = 15,840,849.72 × 6,321,717.72
  4. Step 4: Simplify right side
    11,478,357.48x = 100,141,380,374,781.03
  5. Step 5: Solve for x
    x = 100,141,380,374,781.03/11,478,357.48
  6. Step 6: Final answer
    x = 8,724,365.01

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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.