Home / 10,692,176.20-16,014,644.70-4,299,137.80

Finding the Fourth Proportional to 10,692,176.20, 16,014,644.70 and 4,299,137.80

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Solution

The fourth proportional to 10,692,176.20, 16,014,644.70 and 4,299,137.80 is: 6,439,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,176.20 : 16,014,644.70 = 4,299,137.80 : x
  2. Step 2: Convert to fraction form
    10,692,176.20/16,014,644.70 = 4,299,137.80/x
  3. Step 3: Cross multiply
    10,692,176.20x = 16,014,644.70 × 4,299,137.80
  4. Step 4: Simplify right side
    10,692,176.20x = 68,849,164,383,339.66
  5. Step 5: Solve for x
    x = 68,849,164,383,339.66/10,692,176.20
  6. Step 6: Final answer
    x = 6,439,209.67

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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.