Home / 13,769,729.20-20,656,562.10-4,672,246.60

Finding the Fourth Proportional to 13,769,729.20, 20,656,562.10 and 4,672,246.60

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Solution

The fourth proportional to 13,769,729.20, 20,656,562.10 and 4,672,246.60 is: 7,009,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,729.20 : 20,656,562.10 = 4,672,246.60 : x
  2. Step 2: Convert to fraction form
    13,769,729.20/20,656,562.10 = 4,672,246.60/x
  3. Step 3: Cross multiply
    13,769,729.20x = 20,656,562.10 × 4,672,246.60
  4. Step 4: Simplify right side
    13,769,729.20x = 96,512,552,039,413.86
  5. Step 5: Solve for x
    x = 96,512,552,039,413.86/13,769,729.20
  6. Step 6: Final answer
    x = 7,009,037.77

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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.