Home / 15,247,926.24-21,042,138.32-8,372,408.30

Finding the Fourth Proportional to 15,247,926.24, 21,042,138.32 and 8,372,408.30

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Solution

The fourth proportional to 15,247,926.24, 21,042,138.32 and 8,372,408.30 is: 11,553,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,926.24 : 21,042,138.32 = 8,372,408.30 : x
  2. Step 2: Convert to fraction form
    15,247,926.24/21,042,138.32 = 8,372,408.30/x
  3. Step 3: Cross multiply
    15,247,926.24x = 21,042,138.32 × 8,372,408.30
  4. Step 4: Simplify right side
    15,247,926.24x = 176,173,373,520,116.06
  5. Step 5: Solve for x
    x = 176,173,373,520,116.06/15,247,926.24
  6. Step 6: Final answer
    x = 11,553,923.51

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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.