Home / 11,778,231.20-16,253,861.28-6,621,615.68

Finding the Fourth Proportional to 11,778,231.20, 16,253,861.28 and 6,621,615.68

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Solution

The fourth proportional to 11,778,231.20, 16,253,861.28 and 6,621,615.68 is: 9,137,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778,231.20 : 16,253,861.28 = 6,621,615.68 : x
  2. Step 2: Convert to fraction form
    11,778,231.20/16,253,861.28 = 6,621,615.68/x
  3. Step 3: Cross multiply
    11,778,231.20x = 16,253,861.28 × 6,621,615.68
  4. Step 4: Simplify right side
    11,778,231.20x = 107,626,822,712,192.86
  5. Step 5: Solve for x
    x = 107,626,822,712,192.86/11,778,231.20
  6. Step 6: Final answer
    x = 9,137,774.67

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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.