Home / 15,049,947.51-20,769,201.16-8,524,931.76

Finding the Fourth Proportional to 15,049,947.51, 20,769,201.16 and 8,524,931.76

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Solution

The fourth proportional to 15,049,947.51, 20,769,201.16 and 8,524,931.76 is: 11,764,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049,947.51 : 20,769,201.16 = 8,524,931.76 : x
  2. Step 2: Convert to fraction form
    15,049,947.51/20,769,201.16 = 8,524,931.76/x
  3. Step 3: Cross multiply
    15,049,947.51x = 20,769,201.16 × 8,524,931.76
  4. Step 4: Simplify right side
    15,049,947.51x = 177,056,022,577,400.50
  5. Step 5: Solve for x
    x = 177,056,022,577,400.50/15,049,947.51
  6. Step 6: Final answer
    x = 11,764,560.80

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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.