Home / 38,437,446.15-53,043,670.62-21,033,793.44

Finding the Fourth Proportional to 38,437,446.15, 53,043,670.62 and 21,033,793.44

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Solution

The fourth proportional to 38,437,446.15, 53,043,670.62 and 21,033,793.44 is: 29,026,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437,446.15 : 53,043,670.62 = 21,033,793.44 : x
  2. Step 2: Convert to fraction form
    38,437,446.15/53,043,670.62 = 21,033,793.44/x
  3. Step 3: Cross multiply
    38,437,446.15x = 53,043,670.62 × 21,033,793.44
  4. Step 4: Simplify right side
    38,437,446.15x = 1,115,709,611,120,476.75
  5. Step 5: Solve for x
    x = 1,115,709,611,120,476.75/38,437,446.15
  6. Step 6: Final answer
    x = 29,026,632.17

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Double scale
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1.5x scale

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.