Home / 21,182,244.32-29,229,158.21-11,887,682.58

Finding the Fourth Proportional to 21,182,244.32, 29,229,158.21 and 11,887,682.58

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Solution

The fourth proportional to 21,182,244.32, 29,229,158.21 and 11,887,682.58 is: 16,403,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,244.32 : 29,229,158.21 = 11,887,682.58 : x
  2. Step 2: Convert to fraction form
    21,182,244.32/29,229,158.21 = 11,887,682.58/x
  3. Step 3: Cross multiply
    21,182,244.32x = 29,229,158.21 × 11,887,682.58
  4. Step 4: Simplify right side
    21,182,244.32x = 347,466,954,821,642.56
  5. Step 5: Solve for x
    x = 347,466,954,821,642.56/21,182,244.32
  6. Step 6: Final answer
    x = 16,403,689.31

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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.