Home / 6,991,140.72-10,486,711.84-2,133,472.69

Finding the Fourth Proportional to 6,991,140.72, 10,486,711.84 and 2,133,472.69

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Solution

The fourth proportional to 6,991,140.72, 10,486,711.84 and 2,133,472.69 is: 3,200,209.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,140.72 : 10,486,711.84 = 2,133,472.69 : x
  2. Step 2: Convert to fraction form
    6,991,140.72/10,486,711.84 = 2,133,472.69/x
  3. Step 3: Cross multiply
    6,991,140.72x = 10,486,711.84 × 2,133,472.69
  4. Step 4: Simplify right side
    6,991,140.72x = 22,373,113,318,539.65
  5. Step 5: Solve for x
    x = 22,373,113,318,539.65/6,991,140.72
  6. Step 6: Final answer
    x = 3,200,209.27

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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.