Home / 18,565,583.38-27,877,523.73-15,724,201.39

Finding the Fourth Proportional to 18,565,583.38, 27,877,523.73 and 15,724,201.39

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Solution

The fourth proportional to 18,565,583.38, 27,877,523.73 and 15,724,201.39 is: 23,610,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565,583.38 : 27,877,523.73 = 15,724,201.39 : x
  2. Step 2: Convert to fraction form
    18,565,583.38/27,877,523.73 = 15,724,201.39/x
  3. Step 3: Cross multiply
    18,565,583.38x = 27,877,523.73 × 15,724,201.39
  4. Step 4: Simplify right side
    18,565,583.38x = 438,351,797,385,024
  5. Step 5: Solve for x
    x = 438,351,797,385,024/18,565,583.38
  6. Step 6: Final answer
    x = 23,610,989.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.