Home / 21,719,628.12-29,972,265.66-12,062,458.20

Finding the Fourth Proportional to 21,719,628.12, 29,972,265.66 and 12,062,458.20

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Solution

The fourth proportional to 21,719,628.12, 29,972,265.66 and 12,062,458.20 is: 16,645,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,719,628.12 : 29,972,265.66 = 12,062,458.20 : x
  2. Step 2: Convert to fraction form
    21,719,628.12/29,972,265.66 = 12,062,458.20/x
  3. Step 3: Cross multiply
    21,719,628.12x = 29,972,265.66 × 12,062,458.20
  4. Step 4: Simplify right side
    21,719,628.12x = 361,539,201,683,045.38
  5. Step 5: Solve for x
    x = 361,539,201,683,045.38/21,719,628.12
  6. Step 6: Final answer
    x = 16,645,736.28

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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.