Home / 20,496,845.10-30,745,267.65-8,362,275.60

Finding the Fourth Proportional to 20,496,845.10, 30,745,267.65 and 8,362,275.60

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Solution

The fourth proportional to 20,496,845.10, 30,745,267.65 and 8,362,275.60 is: 12,543,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496,845.10 : 30,745,267.65 = 8,362,275.60 : x
  2. Step 2: Convert to fraction form
    20,496,845.10/30,745,267.65 = 8,362,275.60/x
  3. Step 3: Cross multiply
    20,496,845.10x = 30,745,267.65 × 8,362,275.60
  4. Step 4: Simplify right side
    20,496,845.10x = 257,100,401,485,064.31
  5. Step 5: Solve for x
    x = 257,100,401,485,064.31/20,496,845.10
  6. Step 6: Final answer
    x = 12,543,413.40

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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.