Home / 20,929,353.99-31,393,960.61-5,367,165.32

Finding the Fourth Proportional to 20,929,353.99, 31,393,960.61 and 5,367,165.32

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Solution

The fourth proportional to 20,929,353.99, 31,393,960.61 and 5,367,165.32 is: 8,050,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,929,353.99 : 31,393,960.61 = 5,367,165.32 : x
  2. Step 2: Convert to fraction form
    20,929,353.99/31,393,960.61 = 5,367,165.32/x
  3. Step 3: Cross multiply
    20,929,353.99x = 31,393,960.61 × 5,367,165.32
  4. Step 4: Simplify right side
    20,929,353.99x = 168,496,576,459,632.44
  5. Step 5: Solve for x
    x = 168,496,576,459,632.44/20,929,353.99
  6. Step 6: Final answer
    x = 8,050,729.92

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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.