Home / 20,967,423.80-31,453,287.72-8,024,461.92

Finding the Fourth Proportional to 20,967,423.80, 31,453,287.72 and 8,024,461.92

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Solution

The fourth proportional to 20,967,423.80, 31,453,287.72 and 8,024,461.92 is: 12,037,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967,423.80 : 31,453,287.72 = 8,024,461.92 : x
  2. Step 2: Convert to fraction form
    20,967,423.80/31,453,287.72 = 8,024,461.92/x
  3. Step 3: Cross multiply
    20,967,423.80x = 31,453,287.72 × 8,024,461.92
  4. Step 4: Simplify right side
    20,967,423.80x = 252,395,709,567,943.62
  5. Step 5: Solve for x
    x = 252,395,709,567,943.62/20,967,423.80
  6. Step 6: Final answer
    x = 12,037,516.48

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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.