Home / 18,777,630.24-28,166,444.55-10,253,316.60

Finding the Fourth Proportional to 18,777,630.24, 28,166,444.55 and 10,253,316.60

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Solution

The fourth proportional to 18,777,630.24, 28,166,444.55 and 10,253,316.60 is: 15,379,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,630.24 : 28,166,444.55 = 10,253,316.60 : x
  2. Step 2: Convert to fraction form
    18,777,630.24/28,166,444.55 = 10,253,316.60/x
  3. Step 3: Cross multiply
    18,777,630.24x = 28,166,444.55 × 10,253,316.60
  4. Step 4: Simplify right side
    18,777,630.24x = 288,799,473,467,494.50
  5. Step 5: Solve for x
    x = 288,799,473,467,494.50/18,777,630.24
  6. Step 6: Final answer
    x = 15,379,974.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.