Home / 13,747,047.71-18,968,816.93-7,944,708.87

Finding the Fourth Proportional to 13,747,047.71, 18,968,816.93 and 7,944,708.87

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Solution

The fourth proportional to 13,747,047.71, 18,968,816.93 and 7,944,708.87 is: 10,962,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747,047.71 : 18,968,816.93 = 7,944,708.87 : x
  2. Step 2: Convert to fraction form
    13,747,047.71/18,968,816.93 = 7,944,708.87/x
  3. Step 3: Cross multiply
    13,747,047.71x = 18,968,816.93 × 7,944,708.87
  4. Step 4: Simplify right side
    13,747,047.71x = 150,701,728,077,453.62
  5. Step 5: Solve for x
    x = 150,701,728,077,453.62/13,747,047.71
  6. Step 6: Final answer
    x = 10,962,479.46

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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.