Home / 21,061,803.80-31,592,705.70-17,873,157.80

Finding the Fourth Proportional to 21,061,803.80, 31,592,705.70 and 17,873,157.80

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Solution

The fourth proportional to 21,061,803.80, 31,592,705.70 and 17,873,157.80 is: 26,809,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,803.80 : 31,592,705.70 = 17,873,157.80 : x
  2. Step 2: Convert to fraction form
    21,061,803.80/31,592,705.70 = 17,873,157.80/x
  3. Step 3: Cross multiply
    21,061,803.80x = 31,592,705.70 × 17,873,157.80
  4. Step 4: Simplify right side
    21,061,803.80x = 564,661,414,305,059.50
  5. Step 5: Solve for x
    x = 564,661,414,305,059.50/21,061,803.80
  6. Step 6: Final answer
    x = 26,809,736.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.