Home / 13,744,790.21-20,621,670.05-6,555,389.92

Finding the Fourth Proportional to 13,744,790.21, 20,621,670.05 and 6,555,389.92

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Solution

The fourth proportional to 13,744,790.21, 20,621,670.05 and 6,555,389.92 is: 9,835,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744,790.21 : 20,621,670.05 = 6,555,389.92 : x
  2. Step 2: Convert to fraction form
    13,744,790.21/20,621,670.05 = 6,555,389.92/x
  3. Step 3: Cross multiply
    13,744,790.21x = 20,621,670.05 × 6,555,389.92
  4. Step 4: Simplify right side
    13,744,790.21x = 135,183,087,944,170.19
  5. Step 5: Solve for x
    x = 135,183,087,944,170.19/13,744,790.21
  6. Step 6: Final answer
    x = 9,835,223.81

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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.