Home / 12,320,104.42-18,467,124.87-4,640,426.38

Finding the Fourth Proportional to 12,320,104.42, 18,467,124.87 and 4,640,426.38

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Solution

The fourth proportional to 12,320,104.42, 18,467,124.87 and 4,640,426.38 is: 6,955,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,104.42 : 18,467,124.87 = 4,640,426.38 : x
  2. Step 2: Convert to fraction form
    12,320,104.42/18,467,124.87 = 4,640,426.38/x
  3. Step 3: Cross multiply
    12,320,104.42x = 18,467,124.87 × 4,640,426.38
  4. Step 4: Simplify right side
    12,320,104.42x = 85,695,333,317,166.45
  5. Step 5: Solve for x
    x = 85,695,333,317,166.45/12,320,104.42
  6. Step 6: Final answer
    x = 6,955,731.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.