Home / 13,608,215.10-20,412,322.65-8,789,816.70

Finding the Fourth Proportional to 13,608,215.10, 20,412,322.65 and 8,789,816.70

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Solution

The fourth proportional to 13,608,215.10, 20,412,322.65 and 8,789,816.70 is: 13,184,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,215.10 : 20,412,322.65 = 8,789,816.70 : x
  2. Step 2: Convert to fraction form
    13,608,215.10/20,412,322.65 = 8,789,816.70/x
  3. Step 3: Cross multiply
    13,608,215.10x = 20,412,322.65 × 8,789,816.70
  4. Step 4: Simplify right side
    13,608,215.10x = 179,420,574,514,758.22
  5. Step 5: Solve for x
    x = 179,420,574,514,758.22/13,608,215.10
  6. Step 6: Final answer
    x = 13,184,725.05

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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.