Home / 18,812,173.13-28,211,493.62-6,512,796.77

Finding the Fourth Proportional to 18,812,173.13, 28,211,493.62 and 6,512,796.77

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Solution

The fourth proportional to 18,812,173.13, 28,211,493.62 and 6,512,796.77 is: 9,766,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812,173.13 : 28,211,493.62 = 6,512,796.77 : x
  2. Step 2: Convert to fraction form
    18,812,173.13/28,211,493.62 = 6,512,796.77/x
  3. Step 3: Cross multiply
    18,812,173.13x = 28,211,493.62 × 6,512,796.77
  4. Step 4: Simplify right side
    18,812,173.13x = 183,735,724,351,590.12
  5. Step 5: Solve for x
    x = 183,735,724,351,590.12/18,812,173.13
  6. Step 6: Final answer
    x = 9,766,852.73

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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.