Home / 6,985,778.20-10,457,672.10-4,144,427.80

Finding the Fourth Proportional to 6,985,778.20, 10,457,672.10 and 4,144,427.80

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Solution

The fourth proportional to 6,985,778.20, 10,457,672.10 and 4,144,427.80 is: 6,204,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,778.20 : 10,457,672.10 = 4,144,427.80 : x
  2. Step 2: Convert to fraction form
    6,985,778.20/10,457,672.10 = 4,144,427.80/x
  3. Step 3: Cross multiply
    6,985,778.20x = 10,457,672.10 × 4,144,427.80
  4. Step 4: Simplify right side
    6,985,778.20x = 43,341,066,974,524.38
  5. Step 5: Solve for x
    x = 43,341,066,974,524.38/6,985,778.20
  6. Step 6: Final answer
    x = 6,204,185.95

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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.