Home / 9,215,669.41-12,717,928.97-5,029,582.87

Finding the Fourth Proportional to 9,215,669.41, 12,717,928.97 and 5,029,582.87

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Solution

The fourth proportional to 9,215,669.41, 12,717,928.97 and 5,029,582.87 is: 6,940,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,669.41 : 12,717,928.97 = 5,029,582.87 : x
  2. Step 2: Convert to fraction form
    9,215,669.41/12,717,928.97 = 5,029,582.87/x
  3. Step 3: Cross multiply
    9,215,669.41x = 12,717,928.97 × 5,029,582.87
  4. Step 4: Simplify right side
    9,215,669.41x = 63,965,877,689,388.75
  5. Step 5: Solve for x
    x = 63,965,877,689,388.75/9,215,669.41
  6. Step 6: Final answer
    x = 6,940,990.92

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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.