Home / 13,620,178.50-20,379,802.68-10,916,302.92

Finding the Fourth Proportional to 13,620,178.50, 20,379,802.68 and 10,916,302.92

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Solution

The fourth proportional to 13,620,178.50, 20,379,802.68 and 10,916,302.92 is: 16,334,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,178.50 : 20,379,802.68 = 10,916,302.92 : x
  2. Step 2: Convert to fraction form
    13,620,178.50/20,379,802.68 = 10,916,302.92/x
  3. Step 3: Cross multiply
    13,620,178.50x = 20,379,802.68 × 10,916,302.92
  4. Step 4: Simplify right side
    13,620,178.50x = 222,472,099,504,707.81
  5. Step 5: Solve for x
    x = 222,472,099,504,707.81/13,620,178.50
  6. Step 6: Final answer
    x = 16,334,007.63

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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.