Home / 18,157,101.67-25,056,046.20-9,896,982.22

Finding the Fourth Proportional to 18,157,101.67, 25,056,046.20 and 9,896,982.22

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Solution

The fourth proportional to 18,157,101.67, 25,056,046.20 and 9,896,982.22 is: 13,657,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,101.67 : 25,056,046.20 = 9,896,982.22 : x
  2. Step 2: Convert to fraction form
    18,157,101.67/25,056,046.20 = 9,896,982.22/x
  3. Step 3: Cross multiply
    18,157,101.67x = 25,056,046.20 × 9,896,982.22
  4. Step 4: Simplify right side
    18,157,101.67x = 247,979,243,744,898.56
  5. Step 5: Solve for x
    x = 247,979,243,744,898.56/18,157,101.67
  6. Step 6: Final answer
    x = 13,657,424.42

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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.