Home / 12,057,263.80-18,085,604.10-7,261,318.60

Finding the Fourth Proportional to 12,057,263.80, 18,085,604.10 and 7,261,318.60

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Solution

The fourth proportional to 12,057,263.80, 18,085,604.10 and 7,261,318.60 is: 10,891,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057,263.80 : 18,085,604.10 = 7,261,318.60 : x
  2. Step 2: Convert to fraction form
    12,057,263.80/18,085,604.10 = 7,261,318.60/x
  3. Step 3: Cross multiply
    12,057,263.80x = 18,085,604.10 × 7,261,318.60
  4. Step 4: Simplify right side
    12,057,263.80x = 131,325,333,443,566.27
  5. Step 5: Solve for x
    x = 131,325,333,443,566.27/12,057,263.80
  6. Step 6: Final answer
    x = 10,891,802.29

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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.