Home / 38,738,640.16-53,457,598.56-22,206,912.76

Finding the Fourth Proportional to 38,738,640.16, 53,457,598.56 and 22,206,912.76

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Solution

The fourth proportional to 38,738,640.16, 53,457,598.56 and 22,206,912.76 is: 30,644,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,738,640.16 : 53,457,598.56 = 22,206,912.76 : x
  2. Step 2: Convert to fraction form
    38,738,640.16/53,457,598.56 = 22,206,912.76/x
  3. Step 3: Cross multiply
    38,738,640.16x = 53,457,598.56 × 22,206,912.76
  4. Step 4: Simplify right side
    38,738,640.16x = 1,187,128,227,581,021.75
  5. Step 5: Solve for x
    x = 1,187,128,227,581,021.75/38,738,640.16
  6. Step 6: Final answer
    x = 30,644,550.83

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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.