Home / 7,137,802.85-9,850,180.43-3,874,619.79

Finding the Fourth Proportional to 7,137,802.85, 9,850,180.43 and 3,874,619.79

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Solution

The fourth proportional to 7,137,802.85, 9,850,180.43 and 3,874,619.79 is: 5,346,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,802.85 : 9,850,180.43 = 3,874,619.79 : x
  2. Step 2: Convert to fraction form
    7,137,802.85/9,850,180.43 = 3,874,619.79/x
  3. Step 3: Cross multiply
    7,137,802.85x = 9,850,180.43 × 3,874,619.79
  4. Step 4: Simplify right side
    7,137,802.85x = 38,165,704,044,859.96
  5. Step 5: Solve for x
    x = 38,165,704,044,859.96/7,137,802.85
  6. Step 6: Final answer
    x = 5,346,982.09

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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.