Home / 28,265,691.24-42,397,632.54-11,879,656.92

Finding the Fourth Proportional to 28,265,691.24, 42,397,632.54 and 11,879,656.92

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Solution

The fourth proportional to 28,265,691.24, 42,397,632.54 and 11,879,656.92 is: 17,819,105.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,691.24 : 42,397,632.54 = 11,879,656.92 : x
  2. Step 2: Convert to fraction form
    28,265,691.24/42,397,632.54 = 11,879,656.92/x
  3. Step 3: Cross multiply
    28,265,691.24x = 42,397,632.54 × 11,879,656.92
  4. Step 4: Simplify right side
    28,265,691.24x = 503,669,328,795,428.19
  5. Step 5: Solve for x
    x = 503,669,328,795,428.19/28,265,691.24
  6. Step 6: Final answer
    x = 17,819,105.31

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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.