Home / 7,770,856.80-11,643,843.60-4,925,877.60

Finding the Fourth Proportional to 7,770,856.80, 11,643,843.60 and 4,925,877.60

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Solution

The fourth proportional to 7,770,856.80, 11,643,843.60 and 4,925,877.60 is: 7,380,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,856.80 : 11,643,843.60 = 4,925,877.60 : x
  2. Step 2: Convert to fraction form
    7,770,856.80/11,643,843.60 = 4,925,877.60/x
  3. Step 3: Cross multiply
    7,770,856.80x = 11,643,843.60 × 4,925,877.60
  4. Step 4: Simplify right side
    7,770,856.80x = 57,356,148,367,143.35
  5. Step 5: Solve for x
    x = 57,356,148,367,143.35/7,770,856.80
  6. Step 6: Final answer
    x = 7,380,929.78

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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.