Home / 12,097,209.20-18,145,813.80-11,052,114.80

Finding the Fourth Proportional to 12,097,209.20, 18,145,813.80 and 11,052,114.80

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Solution

The fourth proportional to 12,097,209.20, 18,145,813.80 and 11,052,114.80 is: 16,578,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,209.20 : 18,145,813.80 = 11,052,114.80 : x
  2. Step 2: Convert to fraction form
    12,097,209.20/18,145,813.80 = 11,052,114.80/x
  3. Step 3: Cross multiply
    12,097,209.20x = 18,145,813.80 × 11,052,114.80
  4. Step 4: Simplify right side
    12,097,209.20x = 200,549,617,257,024.25
  5. Step 5: Solve for x
    x = 200,549,617,257,024.25/12,097,209.20
  6. Step 6: Final answer
    x = 16,578,172.20

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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.