Home / 7,192,135.81-10,792,460.03-2,646,376.86

Finding the Fourth Proportional to 7,192,135.81, 10,792,460.03 and 2,646,376.86

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Solution

The fourth proportional to 7,192,135.81, 10,792,460.03 and 2,646,376.86 is: 3,971,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,135.81 : 10,792,460.03 = 2,646,376.86 : x
  2. Step 2: Convert to fraction form
    7,192,135.81/10,792,460.03 = 2,646,376.86/x
  3. Step 3: Cross multiply
    7,192,135.81x = 10,792,460.03 × 2,646,376.86
  4. Step 4: Simplify right side
    7,192,135.81x = 28,560,916,485,866.90
  5. Step 5: Solve for x
    x = 28,560,916,485,866.90/7,192,135.81
  6. Step 6: Final answer
    x = 3,971,131.42

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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.