Home / 18,121,202.70-27,181,804.05-17,281,394.70

Finding the Fourth Proportional to 18,121,202.70, 27,181,804.05 and 17,281,394.70

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Solution

The fourth proportional to 18,121,202.70, 27,181,804.05 and 17,281,394.70 is: 25,922,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,202.70 : 27,181,804.05 = 17,281,394.70 : x
  2. Step 2: Convert to fraction form
    18,121,202.70/27,181,804.05 = 17,281,394.70/x
  3. Step 3: Cross multiply
    18,121,202.70x = 27,181,804.05 × 17,281,394.70
  4. Step 4: Simplify right side
    18,121,202.70x = 469,739,484,446,108.50
  5. Step 5: Solve for x
    x = 469,739,484,446,108.50/18,121,202.70
  6. Step 6: Final answer
    x = 25,922,092.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.