Home / 18,191,558.28-25,104,188.34-10,042,621.32

Finding the Fourth Proportional to 18,191,558.28, 25,104,188.34 and 10,042,621.32

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Solution

The fourth proportional to 18,191,558.28, 25,104,188.34 and 10,042,621.32 is: 13,858,727.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,558.28 : 25,104,188.34 = 10,042,621.32 : x
  2. Step 2: Convert to fraction form
    18,191,558.28/25,104,188.34 = 10,042,621.32/x
  3. Step 3: Cross multiply
    18,191,558.28x = 25,104,188.34 × 10,042,621.32
  4. Step 4: Simplify right side
    18,191,558.28x = 252,111,857,044,579.41
  5. Step 5: Solve for x
    x = 252,111,857,044,579.41/18,191,558.28
  6. Step 6: Final answer
    x = 13,858,727.94

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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.