Home / 18,782,024.20-28,173,036.30-7,416,622.60

Finding the Fourth Proportional to 18,782,024.20, 28,173,036.30 and 7,416,622.60

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Solution

The fourth proportional to 18,782,024.20, 28,173,036.30 and 7,416,622.60 is: 11,124,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,024.20 : 28,173,036.30 = 7,416,622.60 : x
  2. Step 2: Convert to fraction form
    18,782,024.20/28,173,036.30 = 7,416,622.60/x
  3. Step 3: Cross multiply
    18,782,024.20x = 28,173,036.30 × 7,416,622.60
  4. Step 4: Simplify right side
    18,782,024.20x = 208,948,777,733,200.38
  5. Step 5: Solve for x
    x = 208,948,777,733,200.38/18,782,024.20
  6. Step 6: Final answer
    x = 11,124,933.90

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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.