Home / 10,101,809.70-13,940,270.91-5,518,149.30

Finding the Fourth Proportional to 10,101,809.70, 13,940,270.91 and 5,518,149.30

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Solution

The fourth proportional to 10,101,809.70, 13,940,270.91 and 5,518,149.30 is: 7,614,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101,809.70 : 13,940,270.91 = 5,518,149.30 : x
  2. Step 2: Convert to fraction form
    10,101,809.70/13,940,270.91 = 5,518,149.30/x
  3. Step 3: Cross multiply
    10,101,809.70x = 13,940,270.91 × 5,518,149.30
  4. Step 4: Simplify right side
    10,101,809.70x = 76,924,496,163,826.86
  5. Step 5: Solve for x
    x = 76,924,496,163,826.86/10,101,809.70
  6. Step 6: Final answer
    x = 7,614,922.32

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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.