Home / 14,942,694.78-20,620,695.20-8,416,958.94

Finding the Fourth Proportional to 14,942,694.78, 20,620,695.20 and 8,416,958.94

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Solution

The fourth proportional to 14,942,694.78, 20,620,695.20 and 8,416,958.94 is: 11,615,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942,694.78 : 20,620,695.20 = 8,416,958.94 : x
  2. Step 2: Convert to fraction form
    14,942,694.78/20,620,695.20 = 8,416,958.94/x
  3. Step 3: Cross multiply
    14,942,694.78x = 20,620,695.20 × 8,416,958.94
  4. Step 4: Simplify right side
    14,942,694.78x = 173,563,544,812,655.06
  5. Step 5: Solve for x
    x = 173,563,544,812,655.06/14,942,694.78
  6. Step 6: Final answer
    x = 11,615,277.39

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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.