Home / 7,108,841.36-9,810,171.72-3,845,648.40

Finding the Fourth Proportional to 7,108,841.36, 9,810,171.72 and 3,845,648.40

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Solution

The fourth proportional to 7,108,841.36, 9,810,171.72 and 3,845,648.40 is: 5,306,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108,841.36 : 9,810,171.72 = 3,845,648.40 : x
  2. Step 2: Convert to fraction form
    7,108,841.36/9,810,171.72 = 3,845,648.40/x
  3. Step 3: Cross multiply
    7,108,841.36x = 9,810,171.72 × 3,845,648.40
  4. Step 4: Simplify right side
    7,108,841.36x = 37,726,471,178,743.25
  5. Step 5: Solve for x
    x = 37,726,471,178,743.25/7,108,841.36
  6. Step 6: Final answer
    x = 5,306,978.91

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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.