Home / 12,457,025.20-18,685,537.80-3,359,105.20

Finding the Fourth Proportional to 12,457,025.20, 18,685,537.80 and 3,359,105.20

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Solution

The fourth proportional to 12,457,025.20, 18,685,537.80 and 3,359,105.20 is: 5,038,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,025.20 : 18,685,537.80 = 3,359,105.20 : x
  2. Step 2: Convert to fraction form
    12,457,025.20/18,685,537.80 = 3,359,105.20/x
  3. Step 3: Cross multiply
    12,457,025.20x = 18,685,537.80 × 3,359,105.20
  4. Step 4: Simplify right side
    12,457,025.20x = 62,766,687,188,776.56
  5. Step 5: Solve for x
    x = 62,766,687,188,776.56/12,457,025.20
  6. Step 6: Final answer
    x = 5,038,657.80

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1.5x scale

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.