Home / 9,212,975.84-12,717,983.34-5,951,380.64

Finding the Fourth Proportional to 9,212,975.84, 12,717,983.34 and 5,951,380.64

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Solution

The fourth proportional to 9,212,975.84, 12,717,983.34 and 5,951,380.64 is: 8,215,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,975.84 : 12,717,983.34 = 5,951,380.64 : x
  2. Step 2: Convert to fraction form
    9,212,975.84/12,717,983.34 = 5,951,380.64/x
  3. Step 3: Cross multiply
    9,212,975.84x = 12,717,983.34 × 5,951,380.64
  4. Step 4: Simplify right side
    9,212,975.84x = 75,689,559,765,928.61
  5. Step 5: Solve for x
    x = 75,689,559,765,928.61/9,212,975.84
  6. Step 6: Final answer
    x = 8,215,538.72

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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.