Home / 7,251,159.71-10,006,667.42-3,943,485.39

Finding the Fourth Proportional to 7,251,159.71, 10,006,667.42 and 3,943,485.39

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Solution

The fourth proportional to 7,251,159.71, 10,006,667.42 and 3,943,485.39 is: 5,442,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,159.71 : 10,006,667.42 = 3,943,485.39 : x
  2. Step 2: Convert to fraction form
    7,251,159.71/10,006,667.42 = 3,943,485.39/x
  3. Step 3: Cross multiply
    7,251,159.71x = 10,006,667.42 × 3,943,485.39
  4. Step 4: Simplify right side
    7,251,159.71x = 39,461,146,753,641.56
  5. Step 5: Solve for x
    x = 39,461,146,753,641.56/7,251,159.71
  6. Step 6: Final answer
    x = 5,442,046.29

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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.