Home / 7,828,511.41-11,739,951.35-2,709,551.78

Finding the Fourth Proportional to 7,828,511.41, 11,739,951.35 and 2,709,551.78

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Solution

The fourth proportional to 7,828,511.41, 11,739,951.35 and 2,709,551.78 is: 4,063,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,511.41 : 11,739,951.35 = 2,709,551.78 : x
  2. Step 2: Convert to fraction form
    7,828,511.41/11,739,951.35 = 2,709,551.78/x
  3. Step 3: Cross multiply
    7,828,511.41x = 11,739,951.35 × 2,709,551.78
  4. Step 4: Simplify right side
    7,828,511.41x = 31,810,006,005,258.39
  5. Step 5: Solve for x
    x = 31,810,006,005,258.39/7,828,511.41
  6. Step 6: Final answer
    x = 4,063,353.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.