Home / 10,920,020.80-16,380,031.20-4,529,606.80

Finding the Fourth Proportional to 10,920,020.80, 16,380,031.20 and 4,529,606.80

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Solution

The fourth proportional to 10,920,020.80, 16,380,031.20 and 4,529,606.80 is: 6,794,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,020.80 : 16,380,031.20 = 4,529,606.80 : x
  2. Step 2: Convert to fraction form
    10,920,020.80/16,380,031.20 = 4,529,606.80/x
  3. Step 3: Cross multiply
    10,920,020.80x = 16,380,031.20 × 4,529,606.80
  4. Step 4: Simplify right side
    10,920,020.80x = 74,195,100,707,732.16
  5. Step 5: Solve for x
    x = 74,195,100,707,732.16/10,920,020.80
  6. Step 6: Final answer
    x = 6,794,410.20

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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.