Home / 14,667,416.32-20,240,729.52-8,140,662.88

Finding the Fourth Proportional to 14,667,416.32, 20,240,729.52 and 8,140,662.88

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Solution

The fourth proportional to 14,667,416.32, 20,240,729.52 and 8,140,662.88 is: 11,233,945.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667,416.32 : 20,240,729.52 = 8,140,662.88 : x
  2. Step 2: Convert to fraction form
    14,667,416.32/20,240,729.52 = 8,140,662.88/x
  3. Step 3: Cross multiply
    14,667,416.32x = 20,240,729.52 × 8,140,662.88
  4. Step 4: Simplify right side
    14,667,416.32x = 164,772,955,467,584.22
  5. Step 5: Solve for x
    x = 164,772,955,467,584.22/14,667,416.32
  6. Step 6: Final answer
    x = 11,233,945.49

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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.