Home / 7,116,826.38-9,821,233.70-3,977,089.95

Finding the Fourth Proportional to 7,116,826.38, 9,821,233.70 and 3,977,089.95

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Solution

The fourth proportional to 7,116,826.38, 9,821,233.70 and 3,977,089.95 is: 5,488,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,826.38 : 9,821,233.70 = 3,977,089.95 : x
  2. Step 2: Convert to fraction form
    7,116,826.38/9,821,233.70 = 3,977,089.95/x
  3. Step 3: Cross multiply
    7,116,826.38x = 9,821,233.70 × 3,977,089.95
  4. Step 4: Simplify right side
    7,116,826.38x = 39,059,929,844,871.31
  5. Step 5: Solve for x
    x = 39,059,929,844,871.31/7,116,826.38
  6. Step 6: Final answer
    x = 5,488,391.56

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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.