Home / 7,381,806.20-11,072,709.30-6,637,788.80

Finding the Fourth Proportional to 7,381,806.20, 11,072,709.30 and 6,637,788.80

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Solution

The fourth proportional to 7,381,806.20, 11,072,709.30 and 6,637,788.80 is: 9,956,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,806.20 : 11,072,709.30 = 6,637,788.80 : x
  2. Step 2: Convert to fraction form
    7,381,806.20/11,072,709.30 = 6,637,788.80/x
  3. Step 3: Cross multiply
    7,381,806.20x = 11,072,709.30 × 6,637,788.80
  4. Step 4: Simplify right side
    7,381,806.20x = 73,498,305,777,195.84
  5. Step 5: Solve for x
    x = 73,498,305,777,195.84/7,381,806.20
  6. Step 6: Final answer
    x = 9,956,683.20

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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.