Home / 11,880,007.80-17,820,011.70-7,093,102.20

Finding the Fourth Proportional to 11,880,007.80, 17,820,011.70 and 7,093,102.20

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Solution

The fourth proportional to 11,880,007.80, 17,820,011.70 and 7,093,102.20 is: 10,639,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,007.80 : 17,820,011.70 = 7,093,102.20 : x
  2. Step 2: Convert to fraction form
    11,880,007.80/17,820,011.70 = 7,093,102.20/x
  3. Step 3: Cross multiply
    11,880,007.80x = 17,820,011.70 × 7,093,102.20
  4. Step 4: Simplify right side
    11,880,007.80x = 126,399,164,193,295.73
  5. Step 5: Solve for x
    x = 126,399,164,193,295.73/11,880,007.80
  6. Step 6: Final answer
    x = 10,639,653.30

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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.