Home / 13,747,040.32-18,968,806.77-7,944,701.50

Finding the Fourth Proportional to 13,747,040.32, 18,968,806.77 and 7,944,701.50

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Solution

The fourth proportional to 13,747,040.32, 18,968,806.77 and 7,944,701.50 is: 10,962,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,040.32 : 18,968,806.77 = 7,944,701.50 : x
  2. Step 2: Convert to fraction form
    13,747,040.32/18,968,806.77 = 7,944,701.50/x
  3. Step 3: Cross multiply
    13,747,040.32x = 18,968,806.77 × 7,944,701.50
  4. Step 4: Simplify right side
    13,747,040.32x = 150,701,507,598,829.16
  5. Step 5: Solve for x
    x = 150,701,507,598,829.16/13,747,040.32
  6. Step 6: Final answer
    x = 10,962,469.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.