Home / 20,227,916.30-30,352,372.05-8,869,513.10

Finding the Fourth Proportional to 20,227,916.30, 30,352,372.05 and 8,869,513.10

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Solution

The fourth proportional to 20,227,916.30, 30,352,372.05 and 8,869,513.10 is: 13,308,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,916.30 : 30,352,372.05 = 8,869,513.10 : x
  2. Step 2: Convert to fraction form
    20,227,916.30/30,352,372.05 = 8,869,513.10/x
  3. Step 3: Cross multiply
    20,227,916.30x = 30,352,372.05 × 8,869,513.10
  4. Step 4: Simplify right side
    20,227,916.30x = 269,210,761,513,548.84
  5. Step 5: Solve for x
    x = 269,210,761,513,548.84/20,227,916.30
  6. Step 6: Final answer
    x = 13,308,872.63

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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.