Home / 15,197,935.20-20,972,520.72-8,322,298.80

Finding the Fourth Proportional to 15,197,935.20, 20,972,520.72 and 8,322,298.80

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Solution

The fourth proportional to 15,197,935.20, 20,972,520.72 and 8,322,298.80 is: 11,484,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197,935.20 : 20,972,520.72 = 8,322,298.80 : x
  2. Step 2: Convert to fraction form
    15,197,935.20/20,972,520.72 = 8,322,298.80/x
  3. Step 3: Cross multiply
    15,197,935.20x = 20,972,520.72 × 8,322,298.80
  4. Step 4: Simplify right side
    15,197,935.20x = 174,539,584,021,031.12
  5. Step 5: Solve for x
    x = 174,539,584,021,031.12/15,197,935.20
  6. Step 6: Final answer
    x = 11,484,427.44

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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.