Home / 13,362,505.20-20,044,413.90-6,985,213.20

Finding the Fourth Proportional to 13,362,505.20, 20,044,413.90 and 6,985,213.20

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Solution

The fourth proportional to 13,362,505.20, 20,044,413.90 and 6,985,213.20 is: 10,478,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,505.20 : 20,044,413.90 = 6,985,213.20 : x
  2. Step 2: Convert to fraction form
    13,362,505.20/20,044,413.90 = 6,985,213.20/x
  3. Step 3: Cross multiply
    13,362,505.20x = 20,044,413.90 × 6,985,213.20
  4. Step 4: Simplify right side
    13,362,505.20x = 140,014,504,560,543.47
  5. Step 5: Solve for x
    x = 140,014,504,560,543.47/13,362,505.20
  6. Step 6: Final answer
    x = 10,478,162.77

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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.