Home / 15,230,832.98-21,018,427.02-8,261,493.21

Finding the Fourth Proportional to 15,230,832.98, 21,018,427.02 and 8,261,493.21

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Solution

The fourth proportional to 15,230,832.98, 21,018,427.02 and 8,261,493.21 is: 11,400,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230,832.98 : 21,018,427.02 = 8,261,493.21 : x
  2. Step 2: Convert to fraction form
    15,230,832.98/21,018,427.02 = 8,261,493.21/x
  3. Step 3: Cross multiply
    15,230,832.98x = 21,018,427.02 × 8,261,493.21
  4. Step 4: Simplify right side
    15,230,832.98x = 173,643,592,110,610.53
  5. Step 5: Solve for x
    x = 173,643,592,110,610.53/15,230,832.98
  6. Step 6: Final answer
    x = 11,400,794.19

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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.