Home / 8,858,015.16-13,287,022.20-2,126,429.16

Finding the Fourth Proportional to 8,858,015.16, 13,287,022.20 and 2,126,429.16

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Solution

The fourth proportional to 8,858,015.16, 13,287,022.20 and 2,126,429.16 is: 3,189,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,015.16 : 13,287,022.20 = 2,126,429.16 : x
  2. Step 2: Convert to fraction form
    8,858,015.16/13,287,022.20 = 2,126,429.16/x
  3. Step 3: Cross multiply
    8,858,015.16x = 13,287,022.20 × 2,126,429.16
  4. Step 4: Simplify right side
    8,858,015.16x = 28,253,911,455,647.35
  5. Step 5: Solve for x
    x = 28,253,911,455,647.35/8,858,015.16
  6. Step 6: Final answer
    x = 3,189,643.61

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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.