Home / 11,911,551.76-17,858,616.87-3,819,921.49

Finding the Fourth Proportional to 11,911,551.76, 17,858,616.87 and 3,819,921.49

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Solution

The fourth proportional to 11,911,551.76, 17,858,616.87 and 3,819,921.49 is: 5,727,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911,551.76 : 17,858,616.87 = 3,819,921.49 : x
  2. Step 2: Convert to fraction form
    11,911,551.76/17,858,616.87 = 3,819,921.49/x
  3. Step 3: Cross multiply
    11,911,551.76x = 17,858,616.87 × 3,819,921.49
  4. Step 4: Simplify right side
    11,911,551.76x = 68,218,514,363,389.55
  5. Step 5: Solve for x
    x = 68,218,514,363,389.55/11,911,551.76
  6. Step 6: Final answer
    x = 5,727,088.77

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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.