Home / 8,129,515.38-11,217,922.74-4,692,863.58

Finding the Fourth Proportional to 8,129,515.38, 11,217,922.74 and 4,692,863.58

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Solution

The fourth proportional to 8,129,515.38, 11,217,922.74 and 4,692,863.58 is: 6,475,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,515.38 : 11,217,922.74 = 4,692,863.58 : x
  2. Step 2: Convert to fraction form
    8,129,515.38/11,217,922.74 = 4,692,863.58/x
  3. Step 3: Cross multiply
    8,129,515.38x = 11,217,922.74 × 4,692,863.58
  4. Step 4: Simplify right side
    8,129,515.38x = 52,644,181,069,799.81
  5. Step 5: Solve for x
    x = 52,644,181,069,799.81/8,129,515.38
  6. Step 6: Final answer
    x = 6,475,685.03

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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.