Home / 20,196,729.20-30,295,093.80-6,549,849.20

Finding the Fourth Proportional to 20,196,729.20, 30,295,093.80 and 6,549,849.20

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Solution

The fourth proportional to 20,196,729.20, 30,295,093.80 and 6,549,849.20 is: 9,824,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196,729.20 : 30,295,093.80 = 6,549,849.20 : x
  2. Step 2: Convert to fraction form
    20,196,729.20/30,295,093.80 = 6,549,849.20/x
  3. Step 3: Cross multiply
    20,196,729.20x = 30,295,093.80 × 6,549,849.20
  4. Step 4: Simplify right side
    20,196,729.20x = 198,428,295,889,854.97
  5. Step 5: Solve for x
    x = 198,428,295,889,854.97/20,196,729.20
  6. Step 6: Final answer
    x = 9,824,773.80

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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.