Home / 15,269,096.68-21,071,421.54-8,394,020.84

Finding the Fourth Proportional to 15,269,096.68, 21,071,421.54 and 8,394,020.84

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Solution

The fourth proportional to 15,269,096.68, 21,071,421.54 and 8,394,020.84 is: 11,583,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,269,096.68 : 21,071,421.54 = 8,394,020.84 : x
  2. Step 2: Convert to fraction form
    15,269,096.68/21,071,421.54 = 8,394,020.84/x
  3. Step 3: Cross multiply
    15,269,096.68x = 21,071,421.54 × 8,394,020.84
  4. Step 4: Simplify right side
    15,269,096.68x = 176,873,951,535,184.88
  5. Step 5: Solve for x
    x = 176,873,951,535,184.88/15,269,096.68
  6. Step 6: Final answer
    x = 11,583,786.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.