Home / 15,199,321.44-20,974,657.28-8,672,832.32

Finding the Fourth Proportional to 15,199,321.44, 20,974,657.28 and 8,672,832.32

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Solution

The fourth proportional to 15,199,321.44, 20,974,657.28 and 8,672,832.32 is: 11,968,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199,321.44 : 20,974,657.28 = 8,672,832.32 : x
  2. Step 2: Convert to fraction form
    15,199,321.44/20,974,657.28 = 8,672,832.32/x
  3. Step 3: Cross multiply
    15,199,321.44x = 20,974,657.28 × 8,672,832.32
  4. Step 4: Simplify right side
    15,199,321.44x = 181,909,685,558,907.31
  5. Step 5: Solve for x
    x = 181,909,685,558,907.31/15,199,321.44
  6. Step 6: Final answer
    x = 11,968,276.76

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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.