Home / 20,733,186.08-28,611,601.20-11,440,841.60

Finding the Fourth Proportional to 20,733,186.08, 28,611,601.20 and 11,440,841.60

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Solution

The fourth proportional to 20,733,186.08, 28,611,601.20 and 11,440,841.60 is: 15,788,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,186.08 : 28,611,601.20 = 11,440,841.60 : x
  2. Step 2: Convert to fraction form
    20,733,186.08/28,611,601.20 = 11,440,841.60/x
  3. Step 3: Cross multiply
    20,733,186.08x = 28,611,601.20 × 11,440,841.60
  4. Step 4: Simplify right side
    20,733,186.08x = 327,340,797,251,569.88
  5. Step 5: Solve for x
    x = 327,340,797,251,569.88/20,733,186.08
  6. Step 6: Final answer
    x = 15,788,253.48

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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.