Home / 7,708,579.20-11,550,859.20-2,913,652.80

Finding the Fourth Proportional to 7,708,579.20, 11,550,859.20 and 2,913,652.80

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Solution

The fourth proportional to 7,708,579.20, 11,550,859.20 and 2,913,652.80 is: 4,365,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708,579.20 : 11,550,859.20 = 2,913,652.80 : x
  2. Step 2: Convert to fraction form
    7,708,579.20/11,550,859.20 = 2,913,652.80/x
  3. Step 3: Cross multiply
    7,708,579.20x = 11,550,859.20 × 2,913,652.80
  4. Step 4: Simplify right side
    7,708,579.20x = 33,655,193,250,485.75
  5. Step 5: Solve for x
    x = 33,655,193,250,485.75/7,708,579.20
  6. Step 6: Final answer
    x = 4,365,939.87

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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.