Home / 21,505,502.20-32,237,258.10-19,238,020.60

Finding the Fourth Proportional to 21,505,502.20, 32,237,258.10 and 19,238,020.60

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Solution

The fourth proportional to 21,505,502.20, 32,237,258.10 and 19,238,020.60 is: 28,838,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,502.20 : 32,237,258.10 = 19,238,020.60 : x
  2. Step 2: Convert to fraction form
    21,505,502.20/32,237,258.10 = 19,238,020.60/x
  3. Step 3: Cross multiply
    21,505,502.20x = 32,237,258.10 × 19,238,020.60
  4. Step 4: Simplify right side
    21,505,502.20x = 620,181,035,415,316.88
  5. Step 5: Solve for x
    x = 620,181,035,415,316.88/21,505,502.20
  6. Step 6: Final answer
    x = 28,838,249.38

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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.