Home / 7,947,904.20-11,921,856.30-7,150,742.70

Finding the Fourth Proportional to 7,947,904.20, 11,921,856.30 and 7,150,742.70

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Solution

The fourth proportional to 7,947,904.20, 11,921,856.30 and 7,150,742.70 is: 10,726,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947,904.20 : 11,921,856.30 = 7,150,742.70 : x
  2. Step 2: Convert to fraction form
    7,947,904.20/11,921,856.30 = 7,150,742.70/x
  3. Step 3: Cross multiply
    7,947,904.20x = 11,921,856.30 × 7,150,742.70
  4. Step 4: Simplify right side
    7,947,904.20x = 85,250,126,907,674.02
  5. Step 5: Solve for x
    x = 85,250,126,907,674.02/7,947,904.20
  6. Step 6: Final answer
    x = 10,726,114.05

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1.5x scale

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.