Home / 8,811,890.43-13,208,742.57-3,697,290.21

Finding the Fourth Proportional to 8,811,890.43, 13,208,742.57 and 3,697,290.21

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Solution

The fourth proportional to 8,811,890.43, 13,208,742.57 and 3,697,290.21 is: 5,542,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811,890.43 : 13,208,742.57 = 3,697,290.21 : x
  2. Step 2: Convert to fraction form
    8,811,890.43/13,208,742.57 = 3,697,290.21/x
  3. Step 3: Cross multiply
    8,811,890.43x = 13,208,742.57 × 3,697,290.21
  4. Step 4: Simplify right side
    8,811,890.43x = 48,836,554,590,471.24
  5. Step 5: Solve for x
    x = 48,836,554,590,471.24/8,811,890.43
  6. Step 6: Final answer
    x = 5,542,120.05

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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.