Home / 18,236,122.63-25,166,047.94-9,976,007.56

Finding the Fourth Proportional to 18,236,122.63, 25,166,047.94 and 9,976,007.56

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Solution

The fourth proportional to 18,236,122.63, 25,166,047.94 and 9,976,007.56 is: 13,766,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236,122.63 : 25,166,047.94 = 9,976,007.56 : x
  2. Step 2: Convert to fraction form
    18,236,122.63/25,166,047.94 = 9,976,007.56/x
  3. Step 3: Cross multiply
    18,236,122.63x = 25,166,047.94 × 9,976,007.56
  4. Step 4: Simplify right side
    18,236,122.63x = 251,056,684,533,316.88
  5. Step 5: Solve for x
    x = 251,056,684,533,316.88/18,236,122.63
  6. Step 6: Final answer
    x = 13,766,999.14

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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.