Home / 38,783,840.99-53,522,061.57-21,380,808.98

Finding the Fourth Proportional to 38,783,840.99, 53,522,061.57 and 21,380,808.98

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Solution

The fourth proportional to 38,783,840.99, 53,522,061.57 and 21,380,808.98 is: 29,505,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783,840.99 : 53,522,061.57 = 21,380,808.98 : x
  2. Step 2: Convert to fraction form
    38,783,840.99/53,522,061.57 = 21,380,808.98/x
  3. Step 3: Cross multiply
    38,783,840.99x = 53,522,061.57 × 21,380,808.98
  4. Step 4: Simplify right side
    38,783,840.99x = 1,144,344,974,777,774.25
  5. Step 5: Solve for x
    x = 1,144,344,974,777,774.25/38,783,840.99
  6. Step 6: Final answer
    x = 29,505,715.41

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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.