Home / 6,991,139.72-10,486,710.34-2,133,471.69

Finding the Fourth Proportional to 6,991,139.72, 10,486,710.34 and 2,133,471.69

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Solution

The fourth proportional to 6,991,139.72, 10,486,710.34 and 2,133,471.69 is: 3,200,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,139.72 : 10,486,710.34 = 2,133,471.69 : x
  2. Step 2: Convert to fraction form
    6,991,139.72/10,486,710.34 = 2,133,471.69/x
  3. Step 3: Cross multiply
    6,991,139.72x = 10,486,710.34 × 2,133,471.69
  4. Step 4: Simplify right side
    6,991,139.72x = 22,373,099,631,620.27
  5. Step 5: Solve for x
    x = 22,373,099,631,620.27/6,991,139.72
  6. Step 6: Final answer
    x = 3,200,207.77

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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.