Home / 38,523,494.76-53,162,409.92-21,119,466.56

Finding the Fourth Proportional to 38,523,494.76, 53,162,409.92 and 21,119,466.56

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Solution

The fourth proportional to 38,523,494.76, 53,162,409.92 and 21,119,466.56 is: 29,144,856.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,494.76 : 53,162,409.92 = 21,119,466.56 : x
  2. Step 2: Convert to fraction form
    38,523,494.76/53,162,409.92 = 21,119,466.56/x
  3. Step 3: Cross multiply
    38,523,494.76x = 53,162,409.92 × 21,119,466.56
  4. Step 4: Simplify right side
    38,523,494.76x = 1,122,761,738,554,452.25
  5. Step 5: Solve for x
    x = 1,122,761,738,554,452.25/38,523,494.76
  6. Step 6: Final answer
    x = 29,144,856.81

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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.