Home / 27,269,732.40-37,633,012.20-15,047,376.72

Finding the Fourth Proportional to 27,269,732.40, 37,633,012.20 and 15,047,376.72

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Solution

The fourth proportional to 27,269,732.40, 37,633,012.20 and 15,047,376.72 is: 20,765,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269,732.40 : 37,633,012.20 = 15,047,376.72 : x
  2. Step 2: Convert to fraction form
    27,269,732.40/37,633,012.20 = 15,047,376.72/x
  3. Step 3: Cross multiply
    27,269,732.40x = 37,633,012.20 × 15,047,376.72
  4. Step 4: Simplify right side
    27,269,732.40x = 566,278,111,681,756
  5. Step 5: Solve for x
    x = 566,278,111,681,756/27,269,732.40
  6. Step 6: Final answer
    x = 20,765,811.10

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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.