Home / 11,109,531.90-16,660,886.25-3,919,384.30

Finding the Fourth Proportional to 11,109,531.90, 16,660,886.25 and 3,919,384.30

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Solution

The fourth proportional to 11,109,531.90, 16,660,886.25 and 3,919,384.30 is: 5,877,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109,531.90 : 16,660,886.25 = 3,919,384.30 : x
  2. Step 2: Convert to fraction form
    11,109,531.90/16,660,886.25 = 3,919,384.30/x
  3. Step 3: Cross multiply
    11,109,531.90x = 16,660,886.25 × 3,919,384.30
  4. Step 4: Simplify right side
    11,109,531.90x = 65,300,415,992,335.88
  5. Step 5: Solve for x
    x = 65,300,415,992,335.88/11,109,531.90
  6. Step 6: Final answer
    x = 5,877,872.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.