Home / 38,926,592.73-53,718,106.83-21,285,551.60

Finding the Fourth Proportional to 38,926,592.73, 53,718,106.83 and 21,285,551.60

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Solution

The fourth proportional to 38,926,592.73, 53,718,106.83 and 21,285,551.60 is: 29,373,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,926,592.73 : 53,718,106.83 = 21,285,551.60 : x
  2. Step 2: Convert to fraction form
    38,926,592.73/53,718,106.83 = 21,285,551.60/x
  3. Step 3: Cross multiply
    38,926,592.73x = 53,718,106.83 × 21,285,551.60
  4. Step 4: Simplify right side
    38,926,592.73x = 1,143,419,534,784,277.50
  5. Step 5: Solve for x
    x = 1,143,419,534,784,277.50/38,926,592.73
  6. Step 6: Final answer
    x = 29,373,737.97

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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.