Home / 14,269,612.78-19,691,792.50-8,074,546.76

Finding the Fourth Proportional to 14,269,612.78, 19,691,792.50 and 8,074,546.76

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Solution

The fourth proportional to 14,269,612.78, 19,691,792.50 and 8,074,546.76 is: 11,142,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269,612.78 : 19,691,792.50 = 8,074,546.76 : x
  2. Step 2: Convert to fraction form
    14,269,612.78/19,691,792.50 = 8,074,546.76/x
  3. Step 3: Cross multiply
    14,269,612.78x = 19,691,792.50 × 8,074,546.76
  4. Step 4: Simplify right side
    14,269,612.78x = 159,002,299,373,650.19
  5. Step 5: Solve for x
    x = 159,002,299,373,650.19/14,269,612.78
  6. Step 6: Final answer
    x = 11,142,719.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.