Home / 34,511,418.08-47,643,015.12-21,462,880.64

Finding the Fourth Proportional to 34,511,418.08, 47,643,015.12 and 21,462,880.64

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Solution

The fourth proportional to 34,511,418.08, 47,643,015.12 and 21,462,880.64 is: 29,629,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,511,418.08 : 47,643,015.12 = 21,462,880.64 : x
  2. Step 2: Convert to fraction form
    34,511,418.08/47,643,015.12 = 21,462,880.64/x
  3. Step 3: Cross multiply
    34,511,418.08x = 47,643,015.12 × 21,462,880.64
  4. Step 4: Simplify right side
    34,511,418.08x = 1,022,556,346,850,275.25
  5. Step 5: Solve for x
    x = 1,022,556,346,850,275.25/34,511,418.08
  6. Step 6: Final answer
    x = 29,629,508.25

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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.