Home / 13,478,210.62-20,196,743.38-8,002,522.68

Finding the Fourth Proportional to 13,478,210.62, 20,196,743.38 and 8,002,522.68

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Solution

The fourth proportional to 13,478,210.62, 20,196,743.38 and 8,002,522.68 is: 11,991,569.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,210.62 : 20,196,743.38 = 8,002,522.68 : x
  2. Step 2: Convert to fraction form
    13,478,210.62/20,196,743.38 = 8,002,522.68/x
  3. Step 3: Cross multiply
    13,478,210.62x = 20,196,743.38 × 8,002,522.68
  4. Step 4: Simplify right side
    13,478,210.62x = 161,624,896,960,589.84
  5. Step 5: Solve for x
    x = 161,624,896,960,589.84/13,478,210.62
  6. Step 6: Final answer
    x = 11,991,569.32

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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.