Home / 30,926,576.21-42,676,186.37-17,874,680.49

Finding the Fourth Proportional to 30,926,576.21, 42,676,186.37 and 17,874,680.49

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Solution

The fourth proportional to 30,926,576.21, 42,676,186.37 and 17,874,680.49 is: 24,665,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926,576.21 : 42,676,186.37 = 17,874,680.49 : x
  2. Step 2: Convert to fraction form
    30,926,576.21/42,676,186.37 = 17,874,680.49/x
  3. Step 3: Cross multiply
    30,926,576.21x = 42,676,186.37 × 17,874,680.49
  4. Step 4: Simplify right side
    30,926,576.21x = 762,823,195,806,069.50
  5. Step 5: Solve for x
    x = 762,823,195,806,069.50/30,926,576.21
  6. Step 6: Final answer
    x = 24,665,620.62

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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.