Home / 18,818,282.07-28,227,732.66-5,171,343.21

Finding the Fourth Proportional to 18,818,282.07, 28,227,732.66 and 5,171,343.21

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Solution

The fourth proportional to 18,818,282.07, 28,227,732.66 and 5,171,343.21 is: 7,757,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818,282.07 : 28,227,732.66 = 5,171,343.21 : x
  2. Step 2: Convert to fraction form
    18,818,282.07/28,227,732.66 = 5,171,343.21/x
  3. Step 3: Cross multiply
    18,818,282.07x = 28,227,732.66 × 5,171,343.21
  4. Step 4: Simplify right side
    18,818,282.07x = 145,975,293,624,986.25
  5. Step 5: Solve for x
    x = 145,975,293,624,986.25/18,818,282.07
  6. Step 6: Final answer
    x = 7,757,099.88

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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.