Home / 7,112,449-9,815,335.14-3,893,185

Finding the Fourth Proportional to 7,112,449, 9,815,335.14 and 3,893,185

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Solution

The fourth proportional to 7,112,449, 9,815,335.14 and 3,893,185 is: 5,372,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,449 : 9,815,335.14 = 3,893,185 : x
  2. Step 2: Convert to fraction form
    7,112,449/9,815,335.14 = 3,893,185/x
  3. Step 3: Cross multiply
    7,112,449x = 9,815,335.14 × 3,893,185
  4. Step 4: Simplify right side
    7,112,449x = 38,212,915,537,020.90
  5. Step 5: Solve for x
    x = 38,212,915,537,020.90/7,112,449
  6. Step 6: Final answer
    x = 5,372,680.43

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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.