Home / 9,215,667.41-12,717,926.21-5,029,580.87

Finding the Fourth Proportional to 9,215,667.41, 12,717,926.21 and 5,029,580.87

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Solution

The fourth proportional to 9,215,667.41, 12,717,926.21 and 5,029,580.87 is: 6,940,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,667.41 : 12,717,926.21 = 5,029,580.87 : x
  2. Step 2: Convert to fraction form
    9,215,667.41/12,717,926.21 = 5,029,580.87/x
  3. Step 3: Cross multiply
    9,215,667.41x = 12,717,926.21 × 5,029,580.87
  4. Step 4: Simplify right side
    9,215,667.41x = 63,965,838,320,871.93
  5. Step 5: Solve for x
    x = 63,965,838,320,871.93/9,215,667.41
  6. Step 6: Final answer
    x = 6,940,988.15

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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.