Home / 38,765,116.75-53,496,219.87-21,362,084.77

Finding the Fourth Proportional to 38,765,116.75, 53,496,219.87 and 21,362,084.77

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Solution

The fourth proportional to 38,765,116.75, 53,496,219.87 and 21,362,084.77 is: 29,479,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,116.75 : 53,496,219.87 = 21,362,084.77 : x
  2. Step 2: Convert to fraction form
    38,765,116.75/53,496,219.87 = 21,362,084.77/x
  3. Step 3: Cross multiply
    38,765,116.75x = 53,496,219.87 × 21,362,084.77
  4. Step 4: Simplify right side
    38,765,116.75x = 1,142,790,783,737,498.25
  5. Step 5: Solve for x
    x = 1,142,790,783,737,498.25/38,765,116.75
  6. Step 6: Final answer
    x = 29,479,874.68

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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.