Home / 21,182,232.34-29,229,141.74-11,887,670.63

Finding the Fourth Proportional to 21,182,232.34, 29,229,141.74 and 11,887,670.63

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Solution

The fourth proportional to 21,182,232.34, 29,229,141.74 and 11,887,670.63 is: 16,403,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182,232.34 : 29,229,141.74 = 11,887,670.63 : x
  2. Step 2: Convert to fraction form
    21,182,232.34/29,229,141.74 = 11,887,670.63/x
  3. Step 3: Cross multiply
    21,182,232.34x = 29,229,141.74 × 11,887,670.63
  4. Step 4: Simplify right side
    21,182,232.34x = 347,466,409,816,339.62
  5. Step 5: Solve for x
    x = 347,466,409,816,339.62/21,182,232.34
  6. Step 6: Final answer
    x = 16,403,672.86

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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.