Home / 17,603,999.80-26,405,999.70-8,513,078.20

Finding the Fourth Proportional to 17,603,999.80, 26,405,999.70 and 8,513,078.20

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Solution

The fourth proportional to 17,603,999.80, 26,405,999.70 and 8,513,078.20 is: 12,769,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603,999.80 : 26,405,999.70 = 8,513,078.20 : x
  2. Step 2: Convert to fraction form
    17,603,999.80/26,405,999.70 = 8,513,078.20/x
  3. Step 3: Cross multiply
    17,603,999.80x = 26,405,999.70 × 8,513,078.20
  4. Step 4: Simplify right side
    17,603,999.80x = 224,796,340,395,276.50
  5. Step 5: Solve for x
    x = 224,796,340,395,276.50/17,603,999.80
  6. Step 6: Final answer
    x = 12,769,617.30

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1.5x scale

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.