Home / 28,110,690.12-42,166,035.24-8,941,450.44

Finding the Fourth Proportional to 28,110,690.12, 42,166,035.24 and 8,941,450.44

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Solution

The fourth proportional to 28,110,690.12, 42,166,035.24 and 8,941,450.44 is: 13,412,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110,690.12 : 42,166,035.24 = 8,941,450.44 : x
  2. Step 2: Convert to fraction form
    28,110,690.12/42,166,035.24 = 8,941,450.44/x
  3. Step 3: Cross multiply
    28,110,690.12x = 42,166,035.24 × 8,941,450.44
  4. Step 4: Simplify right side
    28,110,690.12x = 377,025,514,349,753.50
  5. Step 5: Solve for x
    x = 377,025,514,349,753.50/28,110,690.12
  6. Step 6: Final answer
    x = 13,412,175.68

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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.