Home / 18,181,365.70-25,090,818.36-9,921,961.08

Finding the Fourth Proportional to 18,181,365.70, 25,090,818.36 and 9,921,961.08

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Solution

The fourth proportional to 18,181,365.70, 25,090,818.36 and 9,921,961.08 is: 13,692,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181,365.70 : 25,090,818.36 = 9,921,961.08 : x
  2. Step 2: Convert to fraction form
    18,181,365.70/25,090,818.36 = 9,921,961.08/x
  3. Step 3: Cross multiply
    18,181,365.70x = 25,090,818.36 × 9,921,961.08
  4. Step 4: Simplify right side
    18,181,365.70x = 248,950,123,233,269.44
  5. Step 5: Solve for x
    x = 248,950,123,233,269.44/18,181,365.70
  6. Step 6: Final answer
    x = 13,692,597.54

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1.5x scale

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.