Home / 38,523,922.12-53,162,999.66-21,119,893.66

Finding the Fourth Proportional to 38,523,922.12, 53,162,999.66 and 21,119,893.66

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Solution

The fourth proportional to 38,523,922.12, 53,162,999.66 and 21,119,893.66 is: 29,145,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,523,922.12 : 53,162,999.66 = 21,119,893.66 : x
  2. Step 2: Convert to fraction form
    38,523,922.12/53,162,999.66 = 21,119,893.66/x
  3. Step 3: Cross multiply
    38,523,922.12x = 53,162,999.66 × 21,119,893.66
  4. Step 4: Simplify right side
    38,523,922.12x = 1,122,796,899,465,816.12
  5. Step 5: Solve for x
    x = 1,122,796,899,465,816.12/38,523,922.12
  6. Step 6: Final answer
    x = 29,145,446.20

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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.