Home / 14,659,011.92-20,227,155.12-8,379,449.60

Finding the Fourth Proportional to 14,659,011.92, 20,227,155.12 and 8,379,449.60

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Solution

The fourth proportional to 14,659,011.92, 20,227,155.12 and 8,379,449.60 is: 11,562,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659,011.92 : 20,227,155.12 = 8,379,449.60 : x
  2. Step 2: Convert to fraction form
    14,659,011.92/20,227,155.12 = 8,379,449.60/x
  3. Step 3: Cross multiply
    14,659,011.92x = 20,227,155.12 × 8,379,449.60
  4. Step 4: Simplify right side
    14,659,011.92x = 169,492,426,879,421.97
  5. Step 5: Solve for x
    x = 169,492,426,879,421.97/14,659,011.92
  6. Step 6: Final answer
    x = 11,562,336.38

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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.