Home / 15,598,717.20-21,525,828.36-8,629,656.88

Finding the Fourth Proportional to 15,598,717.20, 21,525,828.36 and 8,629,656.88

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Solution

The fourth proportional to 15,598,717.20, 21,525,828.36 and 8,629,656.88 is: 11,908,704.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598,717.20 : 21,525,828.36 = 8,629,656.88 : x
  2. Step 2: Convert to fraction form
    15,598,717.20/21,525,828.36 = 8,629,656.88/x
  3. Step 3: Cross multiply
    15,598,717.20x = 21,525,828.36 × 8,629,656.88
  4. Step 4: Simplify right side
    15,598,717.20x = 185,760,512,804,573.12
  5. Step 5: Solve for x
    x = 185,760,512,804,573.12/15,598,717.20
  6. Step 6: Final answer
    x = 11,908,704.44

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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.