Home / 21,652,703.91-32,479,122.51-5,478,651.78

Finding the Fourth Proportional to 21,652,703.91, 32,479,122.51 and 5,478,651.78

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Solution

The fourth proportional to 21,652,703.91, 32,479,122.51 and 5,478,651.78 is: 8,217,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,703.91 : 32,479,122.51 = 5,478,651.78 : x
  2. Step 2: Convert to fraction form
    21,652,703.91/32,479,122.51 = 5,478,651.78/x
  3. Step 3: Cross multiply
    21,652,703.91x = 32,479,122.51 × 5,478,651.78
  4. Step 4: Simplify right side
    21,652,703.91x = 177,941,802,352,249.59
  5. Step 5: Solve for x
    x = 177,941,802,352,249.59/21,652,703.91
  6. Step 6: Final answer
    x = 8,217,994.53

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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.