Home / 20,324,186.84-30,492,269.03-8,187,404.84

Finding the Fourth Proportional to 20,324,186.84, 30,492,269.03 and 8,187,404.84

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Solution

The fourth proportional to 20,324,186.84, 30,492,269.03 and 8,187,404.84 is: 12,283,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324,186.84 : 30,492,269.03 = 8,187,404.84 : x
  2. Step 2: Convert to fraction form
    20,324,186.84/30,492,269.03 = 8,187,404.84/x
  3. Step 3: Cross multiply
    20,324,186.84x = 30,492,269.03 × 8,187,404.84
  4. Step 4: Simplify right side
    20,324,186.84x = 249,652,551,038,804.12
  5. Step 5: Solve for x
    x = 249,652,551,038,804.12/20,324,186.84
  6. Step 6: Final answer
    x = 12,283,519.78

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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.