Home / 20,774,562.48-28,670,380.58-11,481,932.66

Finding the Fourth Proportional to 20,774,562.48, 28,670,380.58 and 11,481,932.66

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Solution

The fourth proportional to 20,774,562.48, 28,670,380.58 and 11,481,932.66 is: 15,845,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,774,562.48 : 28,670,380.58 = 11,481,932.66 : x
  2. Step 2: Convert to fraction form
    20,774,562.48/28,670,380.58 = 11,481,932.66/x
  3. Step 3: Cross multiply
    20,774,562.48x = 28,670,380.58 × 11,481,932.66
  4. Step 4: Simplify right side
    20,774,562.48x = 329,191,379,041,484.62
  5. Step 5: Solve for x
    x = 329,191,379,041,484.62/20,774,562.48
  6. Step 6: Final answer
    x = 15,845,887.46

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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.