Home / 27,152,313.30-40,728,469.95-18,542,969.10

Finding the Fourth Proportional to 27,152,313.30, 40,728,469.95 and 18,542,969.10

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Solution

The fourth proportional to 27,152,313.30, 40,728,469.95 and 18,542,969.10 is: 27,814,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152,313.30 : 40,728,469.95 = 18,542,969.10 : x
  2. Step 2: Convert to fraction form
    27,152,313.30/40,728,469.95 = 18,542,969.10/x
  3. Step 3: Cross multiply
    27,152,313.30x = 40,728,469.95 × 18,542,969.10
  4. Step 4: Simplify right side
    27,152,313.30x = 755,226,759,773,128.62
  5. Step 5: Solve for x
    x = 755,226,759,773,128.62/27,152,313.30
  6. Step 6: Final answer
    x = 27,814,453.65

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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.