Home / 20,324,187.34-30,492,269.78-8,187,405.34

Finding the Fourth Proportional to 20,324,187.34, 30,492,269.78 and 8,187,405.34

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Solution

The fourth proportional to 20,324,187.34, 30,492,269.78 and 8,187,405.34 is: 12,283,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,187.34 : 30,492,269.78 = 8,187,405.34 : x
  2. Step 2: Convert to fraction form
    20,324,187.34/30,492,269.78 = 8,187,405.34/x
  3. Step 3: Cross multiply
    20,324,187.34x = 30,492,269.78 × 8,187,405.34
  4. Step 4: Simplify right side
    20,324,187.34x = 249,652,572,425,492.62
  5. Step 5: Solve for x
    x = 249,652,572,425,492.62/20,324,187.34
  6. Step 6: Final answer
    x = 12,283,520.53

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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.