Home / 7,137,005.97-9,849,078.21-3,873,821.38

Finding the Fourth Proportional to 7,137,005.97, 9,849,078.21 and 3,873,821.38

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Solution

The fourth proportional to 7,137,005.97, 9,849,078.21 and 3,873,821.38 is: 5,345,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,005.97 : 9,849,078.21 = 3,873,821.38 : x
  2. Step 2: Convert to fraction form
    7,137,005.97/9,849,078.21 = 3,873,821.38/x
  3. Step 3: Cross multiply
    7,137,005.97x = 9,849,078.21 × 3,873,821.38
  4. Step 4: Simplify right side
    7,137,005.97x = 38,153,569,733,094.26
  5. Step 5: Solve for x
    x = 38,153,569,733,094.26/7,137,005.97
  6. Step 6: Final answer
    x = 5,345,878.91

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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.