Home / 12,355,937.90-18,533,906.85-6,687,233.90

Finding the Fourth Proportional to 12,355,937.90, 18,533,906.85 and 6,687,233.90

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Solution

The fourth proportional to 12,355,937.90, 18,533,906.85 and 6,687,233.90 is: 10,030,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,937.90 : 18,533,906.85 = 6,687,233.90 : x
  2. Step 2: Convert to fraction form
    12,355,937.90/18,533,906.85 = 6,687,233.90/x
  3. Step 3: Cross multiply
    12,355,937.90x = 18,533,906.85 × 6,687,233.90
  4. Step 4: Simplify right side
    12,355,937.90x = 123,940,570,186,762.23
  5. Step 5: Solve for x
    x = 123,940,570,186,762.23/12,355,937.90
  6. Step 6: Final answer
    x = 10,030,850.85

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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.