Home / 28,317,545.07-42,476,319.54-11,290,175.43

Finding the Fourth Proportional to 28,317,545.07, 42,476,319.54 and 11,290,175.43

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Solution

The fourth proportional to 28,317,545.07, 42,476,319.54 and 11,290,175.43 is: 16,935,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,545.07 : 42,476,319.54 = 11,290,175.43 : x
  2. Step 2: Convert to fraction form
    28,317,545.07/42,476,319.54 = 11,290,175.43/x
  3. Step 3: Cross multiply
    28,317,545.07x = 42,476,319.54 × 11,290,175.43
  4. Step 4: Simplify right side
    28,317,545.07x = 479,565,099,227,336.88
  5. Step 5: Solve for x
    x = 479,565,099,227,336.88/28,317,545.07
  6. Step 6: Final answer
    x = 16,935,263.92

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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.