Home / 20,661,907.68-30,992,861.36-7,532,310.24

Finding the Fourth Proportional to 20,661,907.68, 30,992,861.36 and 7,532,310.24

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Solution

The fourth proportional to 20,661,907.68, 30,992,861.36 and 7,532,310.24 is: 11,298,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,907.68 : 30,992,861.36 = 7,532,310.24 : x
  2. Step 2: Convert to fraction form
    20,661,907.68/30,992,861.36 = 7,532,310.24/x
  3. Step 3: Cross multiply
    20,661,907.68x = 30,992,861.36 × 7,532,310.24
  4. Step 4: Simplify right side
    20,661,907.68x = 233,447,846,988,828.34
  5. Step 5: Solve for x
    x = 233,447,846,988,828.34/20,661,907.68
  6. Step 6: Final answer
    x = 11,298,465.30

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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.