Home / 38,501,176.28-53,131,608.06-21,331,768.28

Finding the Fourth Proportional to 38,501,176.28, 53,131,608.06 and 21,331,768.28

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Solution

The fourth proportional to 38,501,176.28, 53,131,608.06 and 21,331,768.28 is: 29,437,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501,176.28 : 53,131,608.06 = 21,331,768.28 : x
  2. Step 2: Convert to fraction form
    38,501,176.28/53,131,608.06 = 21,331,768.28/x
  3. Step 3: Cross multiply
    38,501,176.28x = 53,131,608.06 × 21,331,768.28
  4. Step 4: Simplify right side
    38,501,176.28x = 1,133,391,151,479,700.50
  5. Step 5: Solve for x
    x = 1,133,391,151,479,700.50/38,501,176.28
  6. Step 6: Final answer
    x = 29,437,831.80

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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.