Home / 18,782,598.20-28,173,897.30-9,199,455.80

Finding the Fourth Proportional to 18,782,598.20, 28,173,897.30 and 9,199,455.80

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Solution

The fourth proportional to 18,782,598.20, 28,173,897.30 and 9,199,455.80 is: 13,799,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,598.20 : 28,173,897.30 = 9,199,455.80 : x
  2. Step 2: Convert to fraction form
    18,782,598.20/28,173,897.30 = 9,199,455.80/x
  3. Step 3: Cross multiply
    18,782,598.20x = 28,173,897.30 × 9,199,455.80
  4. Step 4: Simplify right side
    18,782,598.20x = 259,184,522,925,089.38
  5. Step 5: Solve for x
    x = 259,184,522,925,089.38/18,782,598.20
  6. Step 6: Final answer
    x = 13,799,183.70

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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.