Home / 21,635,838.30-29,856,532.59-11,846,104.86

Finding the Fourth Proportional to 21,635,838.30, 29,856,532.59 and 11,846,104.86

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Solution

The fourth proportional to 21,635,838.30, 29,856,532.59 and 11,846,104.86 is: 16,347,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635,838.30 : 29,856,532.59 = 11,846,104.86 : x
  2. Step 2: Convert to fraction form
    21,635,838.30/29,856,532.59 = 11,846,104.86/x
  3. Step 3: Cross multiply
    21,635,838.30x = 29,856,532.59 × 11,846,104.86
  4. Step 4: Simplify right side
    21,635,838.30x = 353,683,615,817,147.38
  5. Step 5: Solve for x
    x = 353,683,615,817,147.38/21,635,838.30
  6. Step 6: Final answer
    x = 16,347,118.65

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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.