Home / 21,620,272.20-29,835,975.32-11,830,716.10

Finding the Fourth Proportional to 21,620,272.20, 29,835,975.32 and 11,830,716.10

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Solution

The fourth proportional to 21,620,272.20, 29,835,975.32 and 11,830,716.10 is: 16,326,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620,272.20 : 29,835,975.32 = 11,830,716.10 : x
  2. Step 2: Convert to fraction form
    21,620,272.20/29,835,975.32 = 11,830,716.10/x
  3. Step 3: Cross multiply
    21,620,272.20x = 29,835,975.32 × 11,830,716.10
  4. Step 4: Simplify right side
    21,620,272.20x = 352,980,953,498,753.62
  5. Step 5: Solve for x
    x = 352,980,953,498,753.62/21,620,272.20
  6. Step 6: Final answer
    x = 16,326,388.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.