Home / 13,486,586.20-20,229,879.30-4,965,159.40

Finding the Fourth Proportional to 13,486,586.20, 20,229,879.30 and 4,965,159.40

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Solution

The fourth proportional to 13,486,586.20, 20,229,879.30 and 4,965,159.40 is: 7,447,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,586.20 : 20,229,879.30 = 4,965,159.40 : x
  2. Step 2: Convert to fraction form
    13,486,586.20/20,229,879.30 = 4,965,159.40/x
  3. Step 3: Cross multiply
    13,486,586.20x = 20,229,879.30 × 4,965,159.40
  4. Step 4: Simplify right side
    13,486,586.20x = 100,444,575,367,260.44
  5. Step 5: Solve for x
    x = 100,444,575,367,260.44/13,486,586.20
  6. Step 6: Final answer
    x = 7,447,739.10

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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.