Home / 7,863,371.11-11,789,572.75-3,484,128.57

Finding the Fourth Proportional to 7,863,371.11, 11,789,572.75 and 3,484,128.57

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Solution

The fourth proportional to 7,863,371.11, 11,789,572.75 and 3,484,128.57 is: 5,223,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,371.11 : 11,789,572.75 = 3,484,128.57 : x
  2. Step 2: Convert to fraction form
    7,863,371.11/11,789,572.75 = 3,484,128.57/x
  3. Step 3: Cross multiply
    7,863,371.11x = 11,789,572.75 × 3,484,128.57
  4. Step 4: Simplify right side
    7,863,371.11x = 41,076,387,279,361.82
  5. Step 5: Solve for x
    x = 41,076,387,279,361.82/7,863,371.11
  6. Step 6: Final answer
    x = 5,223,763.03

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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.