Home / 21,531,505.32-32,270,663.10-18,477,403.56

Finding the Fourth Proportional to 21,531,505.32, 32,270,663.10 and 18,477,403.56

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Solution

The fourth proportional to 21,531,505.32, 32,270,663.10 and 18,477,403.56 is: 27,693,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531,505.32 : 32,270,663.10 = 18,477,403.56 : x
  2. Step 2: Convert to fraction form
    21,531,505.32/32,270,663.10 = 18,477,403.56/x
  3. Step 3: Cross multiply
    21,531,505.32x = 32,270,663.10 × 18,477,403.56
  4. Step 4: Simplify right side
    21,531,505.32x = 596,278,065,247,500.62
  5. Step 5: Solve for x
    x = 596,278,065,247,500.62/21,531,505.32
  6. Step 6: Final answer
    x = 27,693,282.77

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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.