Home / 21,739,308.15-29,999,908.92-11,949,542.85

Finding the Fourth Proportional to 21,739,308.15, 29,999,908.92 and 11,949,542.85

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Solution

The fourth proportional to 21,739,308.15, 29,999,908.92 and 11,949,542.85 is: 16,490,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739,308.15 : 29,999,908.92 = 11,949,542.85 : x
  2. Step 2: Convert to fraction form
    21,739,308.15/29,999,908.92 = 11,949,542.85/x
  3. Step 3: Cross multiply
    21,739,308.15x = 29,999,908.92 × 11,949,542.85
  4. Step 4: Simplify right side
    21,739,308.15x = 358,485,197,135,637.25
  5. Step 5: Solve for x
    x = 358,485,197,135,637.25/21,739,308.15
  6. Step 6: Final answer
    x = 16,490,184.26

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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.