Home / 18,647,693.64-27,918,950.40-9,874,091.16

Finding the Fourth Proportional to 18,647,693.64, 27,918,950.40 and 9,874,091.16

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Solution

The fourth proportional to 18,647,693.64, 27,918,950.40 and 9,874,091.16 is: 14,783,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647,693.64 : 27,918,950.40 = 9,874,091.16 : x
  2. Step 2: Convert to fraction form
    18,647,693.64/27,918,950.40 = 9,874,091.16/x
  3. Step 3: Cross multiply
    18,647,693.64x = 27,918,950.40 × 9,874,091.16
  4. Step 4: Simplify right side
    18,647,693.64x = 275,674,261,341,118.47
  5. Step 5: Solve for x
    x = 275,674,261,341,118.47/18,647,693.64
  6. Step 6: Final answer
    x = 14,783,289.92

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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.