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Finding the Fourth Proportional to 11,796,566.09, 17,695,479.74 and 3,710,172.29

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Solution

The fourth proportional to 11,796,566.09, 17,695,479.74 and 3,710,172.29 is: 5,565,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796,566.09 : 17,695,479.74 = 3,710,172.29 : x
  2. Step 2: Convert to fraction form
    11,796,566.09/17,695,479.74 = 3,710,172.29/x
  3. Step 3: Cross multiply
    11,796,566.09x = 17,695,479.74 × 3,710,172.29
  4. Step 4: Simplify right side
    11,796,566.09x = 65,653,278,615,292.24
  5. Step 5: Solve for x
    x = 65,653,278,615,292.24/11,796,566.09
  6. Step 6: Final answer
    x = 5,565,456.77

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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.