Home / 12,513,768.50-17,269,000.54-6,790,632.50

Finding the Fourth Proportional to 12,513,768.50, 17,269,000.54 and 6,790,632.50

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Solution

The fourth proportional to 12,513,768.50, 17,269,000.54 and 6,790,632.50 is: 9,371,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,768.50 : 17,269,000.54 = 6,790,632.50 : x
  2. Step 2: Convert to fraction form
    12,513,768.50/17,269,000.54 = 6,790,632.50/x
  3. Step 3: Cross multiply
    12,513,768.50x = 17,269,000.54 × 6,790,632.50
  4. Step 4: Simplify right side
    12,513,768.50x = 117,267,436,309,441.55
  5. Step 5: Solve for x
    x = 117,267,436,309,441.55/12,513,768.50
  6. Step 6: Final answer
    x = 9,371,072.86

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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.