Home / 11,738,809.20-17,587,218.60-7,245,836.40

Finding the Fourth Proportional to 11,738,809.20, 17,587,218.60 and 7,245,836.40

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Solution

The fourth proportional to 11,738,809.20, 17,587,218.60 and 7,245,836.40 is: 10,855,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738,809.20 : 17,587,218.60 = 7,245,836.40 : x
  2. Step 2: Convert to fraction form
    11,738,809.20/17,587,218.60 = 7,245,836.40/x
  3. Step 3: Cross multiply
    11,738,809.20x = 17,587,218.60 × 7,245,836.40
  4. Step 4: Simplify right side
    11,738,809.20x = 127,434,108,706,637.06
  5. Step 5: Solve for x
    x = 127,434,108,706,637.06/11,738,809.20
  6. Step 6: Final answer
    x = 10,855,795.21

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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.