Home / 13,183,479.20-19,775,218.80-13,099,498.40

Finding the Fourth Proportional to 13,183,479.20, 19,775,218.80 and 13,099,498.40

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Solution

The fourth proportional to 13,183,479.20, 19,775,218.80 and 13,099,498.40 is: 19,649,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,479.20 : 19,775,218.80 = 13,099,498.40 : x
  2. Step 2: Convert to fraction form
    13,183,479.20/19,775,218.80 = 13,099,498.40/x
  3. Step 3: Cross multiply
    13,183,479.20x = 19,775,218.80 × 13,099,498.40
  4. Step 4: Simplify right side
    13,183,479.20x = 259,045,447,030,249.94
  5. Step 5: Solve for x
    x = 259,045,447,030,249.94/13,183,479.20
  6. Step 6: Final answer
    x = 19,649,247.60

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Similar ratio
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1.5x scale

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.