Home / 15,197,333.40-20,972,285.10-8,321,755.32

Finding the Fourth Proportional to 15,197,333.40, 20,972,285.10 and 8,321,755.32

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Solution

The fourth proportional to 15,197,333.40, 20,972,285.10 and 8,321,755.32 is: 11,484,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,333.40 : 20,972,285.10 = 8,321,755.32 : x
  2. Step 2: Convert to fraction form
    15,197,333.40/20,972,285.10 = 8,321,755.32/x
  3. Step 3: Cross multiply
    15,197,333.40x = 20,972,285.10 × 8,321,755.32
  4. Step 4: Simplify right side
    15,197,333.40x = 174,526,225,103,481.75
  5. Step 5: Solve for x
    x = 174,526,225,103,481.75/15,197,333.40
  6. Step 6: Final answer
    x = 11,484,003.18

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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.