Home / 20,229,780.60-30,344,670.90-11,593,864.35

Finding the Fourth Proportional to 20,229,780.60, 30,344,670.90 and 11,593,864.35

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Solution

The fourth proportional to 20,229,780.60, 30,344,670.90 and 11,593,864.35 is: 17,390,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,780.60 : 30,344,670.90 = 11,593,864.35 : x
  2. Step 2: Convert to fraction form
    20,229,780.60/30,344,670.90 = 11,593,864.35/x
  3. Step 3: Cross multiply
    20,229,780.60x = 30,344,670.90 × 11,593,864.35
  4. Step 4: Simplify right side
    20,229,780.60x = 351,811,998,159,992.38
  5. Step 5: Solve for x
    x = 351,811,998,159,992.38/20,229,780.60
  6. Step 6: Final answer
    x = 17,390,796.53

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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.