Home / 20,541,392-28,346,774.46-11,373,837.92

Finding the Fourth Proportional to 20,541,392, 28,346,774.46 and 11,373,837.92

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Solution

The fourth proportional to 20,541,392, 28,346,774.46 and 11,373,837.92 is: 15,695,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541,392 : 28,346,774.46 = 11,373,837.92 : x
  2. Step 2: Convert to fraction form
    20,541,392/28,346,774.46 = 11,373,837.92/x
  3. Step 3: Cross multiply
    20,541,392x = 28,346,774.46 × 11,373,837.92
  4. Step 4: Simplify right side
    20,541,392x = 322,411,618,262,835.56
  5. Step 5: Solve for x
    x = 322,411,618,262,835.56/20,541,392
  6. Step 6: Final answer
    x = 15,695,704.47

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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.