Home / 13,604,002.62-18,772,134.39-8,376,180.54

Finding the Fourth Proportional to 13,604,002.62, 18,772,134.39 and 8,376,180.54

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Solution

The fourth proportional to 13,604,002.62, 18,772,134.39 and 8,376,180.54 is: 11,558,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,002.62 : 18,772,134.39 = 8,376,180.54 : x
  2. Step 2: Convert to fraction form
    13,604,002.62/18,772,134.39 = 8,376,180.54/x
  3. Step 3: Cross multiply
    13,604,002.62x = 18,772,134.39 × 8,376,180.54
  4. Step 4: Simplify right side
    13,604,002.62x = 157,238,786,771,782.78
  5. Step 5: Solve for x
    x = 157,238,786,771,782.78/13,604,002.62
  6. Step 6: Final answer
    x = 11,558,273.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.