Home / 38,783,846.24-53,522,068.82-21,380,814.24

Finding the Fourth Proportional to 38,783,846.24, 53,522,068.82 and 21,380,814.24

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Solution

The fourth proportional to 38,783,846.24, 53,522,068.82 and 21,380,814.24 is: 29,505,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783,846.24 : 53,522,068.82 = 21,380,814.24 : x
  2. Step 2: Convert to fraction form
    38,783,846.24/53,522,068.82 = 21,380,814.24/x
  3. Step 3: Cross multiply
    38,783,846.24x = 53,522,068.82 × 21,380,814.24
  4. Step 4: Simplify right side
    38,783,846.24x = 1,144,345,411,074,011.75
  5. Step 5: Solve for x
    x = 1,144,345,411,074,011.75/38,783,846.24
  6. Step 6: Final answer
    x = 29,505,722.67

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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.