Home / 20,661,899.97-30,992,849.80-7,532,302.53

Finding the Fourth Proportional to 20,661,899.97, 30,992,849.80 and 7,532,302.53

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Solution

The fourth proportional to 20,661,899.97, 30,992,849.80 and 7,532,302.53 is: 11,298,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,899.97 : 30,992,849.80 = 7,532,302.53 : x
  2. Step 2: Convert to fraction form
    20,661,899.97/30,992,849.80 = 7,532,302.53/x
  3. Step 3: Cross multiply
    20,661,899.97x = 30,992,849.80 × 7,532,302.53
  4. Step 4: Simplify right side
    20,661,899.97x = 233,447,520,922,788.50
  5. Step 5: Solve for x
    x = 233,447,520,922,788.50/20,661,899.97
  6. Step 6: Final answer
    x = 11,298,453.74

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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.