Home / 28,342,861.03-42,488,974.27-11,067,042.73

Finding the Fourth Proportional to 28,342,861.03, 42,488,974.27 and 11,067,042.73

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Solution

The fourth proportional to 28,342,861.03, 42,488,974.27 and 11,067,042.73 is: 16,590,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,342,861.03 : 42,488,974.27 = 11,067,042.73 : x
  2. Step 2: Convert to fraction form
    28,342,861.03/42,488,974.27 = 11,067,042.73/x
  3. Step 3: Cross multiply
    28,342,861.03x = 42,488,974.27 × 11,067,042.73
  4. Step 4: Simplify right side
    28,342,861.03x = 470,227,293,799,960.62
  5. Step 5: Solve for x
    x = 470,227,293,799,960.62/28,342,861.03
  6. Step 6: Final answer
    x = 16,590,678.45

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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.