Home / 20,193,209.58-30,299,273.14-9,952,486.78

Finding the Fourth Proportional to 20,193,209.58, 30,299,273.14 and 9,952,486.78

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Solution

The fourth proportional to 20,193,209.58, 30,299,273.14 and 9,952,486.78 is: 14,933,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,209.58 : 30,299,273.14 = 9,952,486.78 : x
  2. Step 2: Convert to fraction form
    20,193,209.58/30,299,273.14 = 9,952,486.78/x
  3. Step 3: Cross multiply
    20,193,209.58x = 30,299,273.14 × 9,952,486.78
  4. Step 4: Simplify right side
    20,193,209.58x = 301,553,115,369,459.06
  5. Step 5: Solve for x
    x = 301,553,115,369,459.06/20,193,209.58
  6. Step 6: Final answer
    x = 14,933,392.05

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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.