Home / 9,659,813.20-14,489,719.80-5,180,837.20

Finding the Fourth Proportional to 9,659,813.20, 14,489,719.80 and 5,180,837.20

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Solution

The fourth proportional to 9,659,813.20, 14,489,719.80 and 5,180,837.20 is: 7,771,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,813.20 : 14,489,719.80 = 5,180,837.20 : x
  2. Step 2: Convert to fraction form
    9,659,813.20/14,489,719.80 = 5,180,837.20/x
  3. Step 3: Cross multiply
    9,659,813.20x = 14,489,719.80 × 5,180,837.20
  4. Step 4: Simplify right side
    9,659,813.20x = 75,068,879,357,416.56
  5. Step 5: Solve for x
    x = 75,068,879,357,416.56/9,659,813.20
  6. Step 6: Final answer
    x = 7,771,255.80

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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.