Home / 15,365,302.02-21,204,073.26-8,489,735.10

Finding the Fourth Proportional to 15,365,302.02, 21,204,073.26 and 8,489,735.10

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Solution

The fourth proportional to 15,365,302.02, 21,204,073.26 and 8,489,735.10 is: 11,715,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,302.02 : 21,204,073.26 = 8,489,735.10 : x
  2. Step 2: Convert to fraction form
    15,365,302.02/21,204,073.26 = 8,489,735.10/x
  3. Step 3: Cross multiply
    15,365,302.02x = 21,204,073.26 × 8,489,735.10
  4. Step 4: Simplify right side
    15,365,302.02x = 180,016,965,018,393.44
  5. Step 5: Solve for x
    x = 180,016,965,018,393.44/15,365,302.02
  6. Step 6: Final answer
    x = 11,715,810.39

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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.