Home / 5,418,853.71-8,135,216.91-4,655,236.82

Finding the Fourth Proportional to 5,418,853.71, 8,135,216.91 and 4,655,236.82

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Solution

The fourth proportional to 5,418,853.71, 8,135,216.91 and 4,655,236.82 is: 6,988,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,853.71 : 8,135,216.91 = 4,655,236.82 : x
  2. Step 2: Convert to fraction form
    5,418,853.71/8,135,216.91 = 4,655,236.82/x
  3. Step 3: Cross multiply
    5,418,853.71x = 8,135,216.91 × 4,655,236.82
  4. Step 4: Simplify right side
    5,418,853.71x = 37,871,361,257,442.55
  5. Step 5: Solve for x
    x = 37,871,361,257,442.55/5,418,853.71
  6. Step 6: Final answer
    x = 6,988,814.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.