Home / 7,251,168.72-10,006,679.85-3,943,494.39

Finding the Fourth Proportional to 7,251,168.72, 10,006,679.85 and 3,943,494.39

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Solution

The fourth proportional to 7,251,168.72, 10,006,679.85 and 3,943,494.39 is: 5,442,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,168.72 : 10,006,679.85 = 3,943,494.39 : x
  2. Step 2: Convert to fraction form
    7,251,168.72/10,006,679.85 = 3,943,494.39/x
  3. Step 3: Cross multiply
    7,251,168.72x = 10,006,679.85 × 3,943,494.39
  4. Step 4: Simplify right side
    7,251,168.72x = 39,461,285,851,001.04
  5. Step 5: Solve for x
    x = 39,461,285,851,001.04/7,251,168.72
  6. Step 6: Final answer
    x = 5,442,058.70

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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.