Home / 8,618,442.82-12,942,307.33-5,758,189.90

Finding the Fourth Proportional to 8,618,442.82, 12,942,307.33 and 5,758,189.90

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Solution

The fourth proportional to 8,618,442.82, 12,942,307.33 and 5,758,189.90 is: 8,647,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618,442.82 : 12,942,307.33 = 5,758,189.90 : x
  2. Step 2: Convert to fraction form
    8,618,442.82/12,942,307.33 = 5,758,189.90/x
  3. Step 3: Cross multiply
    8,618,442.82x = 12,942,307.33 × 5,758,189.90
  4. Step 4: Simplify right side
    8,618,442.82x = 74,524,263,368,262.27
  5. Step 5: Solve for x
    x = 74,524,263,368,262.27/8,618,442.82
  6. Step 6: Final answer
    x = 8,647,068.26

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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.