Home / 6,991,140.22-10,486,711.09-2,133,472.20

Finding the Fourth Proportional to 6,991,140.22, 10,486,711.09 and 2,133,472.20

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Solution

The fourth proportional to 6,991,140.22, 10,486,711.09 and 2,133,472.20 is: 3,200,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,140.22 : 10,486,711.09 = 2,133,472.20 : x
  2. Step 2: Convert to fraction form
    6,991,140.22/10,486,711.09 = 2,133,472.20/x
  3. Step 3: Cross multiply
    6,991,140.22x = 10,486,711.09 × 2,133,472.20
  4. Step 4: Simplify right side
    6,991,140.22x = 22,373,106,579,946.70
  5. Step 5: Solve for x
    x = 22,373,106,579,946.70/6,991,140.22
  6. Step 6: Final answer
    x = 3,200,208.53

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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.