Home / 14,003,500.80-21,005,251.20-5,481,004.80

Finding the Fourth Proportional to 14,003,500.80, 21,005,251.20 and 5,481,004.80

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Solution

The fourth proportional to 14,003,500.80, 21,005,251.20 and 5,481,004.80 is: 8,221,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,500.80 : 21,005,251.20 = 5,481,004.80 : x
  2. Step 2: Convert to fraction form
    14,003,500.80/21,005,251.20 = 5,481,004.80/x
  3. Step 3: Cross multiply
    14,003,500.80x = 21,005,251.20 × 5,481,004.80
  4. Step 4: Simplify right side
    14,003,500.80x = 115,129,882,652,405.75
  5. Step 5: Solve for x
    x = 115,129,882,652,405.75/14,003,500.80
  6. Step 6: Final answer
    x = 8,221,507.20

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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.