Home / 18,191,557.28-25,104,186.96-10,042,620.32

Finding the Fourth Proportional to 18,191,557.28, 25,104,186.96 and 10,042,620.32

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Solution

The fourth proportional to 18,191,557.28, 25,104,186.96 and 10,042,620.32 is: 13,858,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,557.28 : 25,104,186.96 = 10,042,620.32 : x
  2. Step 2: Convert to fraction form
    18,191,557.28/25,104,186.96 = 10,042,620.32/x
  3. Step 3: Cross multiply
    18,191,557.28x = 25,104,186.96 × 10,042,620.32
  4. Step 4: Simplify right side
    18,191,557.28x = 252,111,818,081,575.03
  5. Step 5: Solve for x
    x = 252,111,818,081,575.03/18,191,557.28
  6. Step 6: Final answer
    x = 13,858,726.56

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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.