Home / 12,826,249.20-19,239,619.23-4,190,373.45

Finding the Fourth Proportional to 12,826,249.20, 19,239,619.23 and 4,190,373.45

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Solution

The fourth proportional to 12,826,249.20, 19,239,619.23 and 4,190,373.45 is: 6,285,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,249.20 : 19,239,619.23 = 4,190,373.45 : x
  2. Step 2: Convert to fraction form
    12,826,249.20/19,239,619.23 = 4,190,373.45/x
  3. Step 3: Cross multiply
    12,826,249.20x = 19,239,619.23 × 4,190,373.45
  4. Step 4: Simplify right side
    12,826,249.20x = 80,621,189,609,501.45
  5. Step 5: Solve for x
    x = 80,621,189,609,501.45/12,826,249.20
  6. Step 6: Final answer
    x = 6,285,640.36

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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.