Home / 38,523,914.85-53,162,989.67-21,119,886.41

Finding the Fourth Proportional to 38,523,914.85, 53,162,989.67 and 21,119,886.41

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Solution

The fourth proportional to 38,523,914.85, 53,162,989.67 and 21,119,886.41 is: 29,145,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,914.85 : 53,162,989.67 = 21,119,886.41 : x
  2. Step 2: Convert to fraction form
    38,523,914.85/53,162,989.67 = 21,119,886.41/x
  3. Step 3: Cross multiply
    38,523,914.85x = 53,162,989.67 × 21,119,886.41
  4. Step 4: Simplify right side
    38,523,914.85x = 1,122,796,302,833,388.25
  5. Step 5: Solve for x
    x = 1,122,796,302,833,388.25/38,523,914.85
  6. Step 6: Final answer
    x = 29,145,436.21

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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.