Home / 15,197,342.40-20,972,297.52-8,321,764.32

Finding the Fourth Proportional to 15,197,342.40, 20,972,297.52 and 8,321,764.32

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Solution

The fourth proportional to 15,197,342.40, 20,972,297.52 and 8,321,764.32 is: 11,484,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,342.40 : 20,972,297.52 = 8,321,764.32 : x
  2. Step 2: Convert to fraction form
    15,197,342.40/20,972,297.52 = 8,321,764.32/x
  3. Step 3: Cross multiply
    15,197,342.40x = 20,972,297.52 × 8,321,764.32
  4. Step 4: Simplify right side
    15,197,342.40x = 174,526,517,210,360.50
  5. Step 5: Solve for x
    x = 174,526,517,210,360.50/15,197,342.40
  6. Step 6: Final answer
    x = 11,484,015.60

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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.