Home / 13,674,140.62-18,876,124.58-8,520,048.65

Finding the Fourth Proportional to 13,674,140.62, 18,876,124.58 and 8,520,048.65

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Solution

The fourth proportional to 13,674,140.62, 18,876,124.58 and 8,520,048.65 is: 11,761,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,140.62 : 18,876,124.58 = 8,520,048.65 : x
  2. Step 2: Convert to fraction form
    13,674,140.62/18,876,124.58 = 8,520,048.65/x
  3. Step 3: Cross multiply
    13,674,140.62x = 18,876,124.58 × 8,520,048.65
  4. Step 4: Simplify right side
    13,674,140.62x = 160,825,499,749,650.88
  5. Step 5: Solve for x
    x = 160,825,499,749,650.88/13,674,140.62
  6. Step 6: Final answer
    x = 11,761,287.55

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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.