Home / 20,646,693.54-28,493,186.18-11,827,849.20

Finding the Fourth Proportional to 20,646,693.54, 28,493,186.18 and 11,827,849.20

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Solution

The fourth proportional to 20,646,693.54, 28,493,186.18 and 11,827,849.20 is: 16,322,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,693.54 : 28,493,186.18 = 11,827,849.20 : x
  2. Step 2: Convert to fraction form
    20,646,693.54/28,493,186.18 = 11,827,849.20/x
  3. Step 3: Cross multiply
    20,646,693.54x = 28,493,186.18 × 11,827,849.20
  4. Step 4: Simplify right side
    20,646,693.54x = 337,013,109,364,564
  5. Step 5: Solve for x
    x = 337,013,109,364,564/20,646,693.54
  6. Step 6: Final answer
    x = 16,322,861.03

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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.