Home / 20,710,575.32-28,580,625.43-11,543,021.24

Finding the Fourth Proportional to 20,710,575.32, 28,580,625.43 and 11,543,021.24

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Solution

The fourth proportional to 20,710,575.32, 28,580,625.43 and 11,543,021.24 is: 15,929,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,575.32 : 28,580,625.43 = 11,543,021.24 : x
  2. Step 2: Convert to fraction form
    20,710,575.32/28,580,625.43 = 11,543,021.24/x
  3. Step 3: Cross multiply
    20,710,575.32x = 28,580,625.43 × 11,543,021.24
  4. Step 4: Simplify right side
    20,710,575.32x = 329,906,766,219,213.44
  5. Step 5: Solve for x
    x = 329,906,766,219,213.44/20,710,575.32
  6. Step 6: Final answer
    x = 15,929,386.86

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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.