Home / 10,929,515.40-15,082,804.17-5,967,991.20

Finding the Fourth Proportional to 10,929,515.40, 15,082,804.17 and 5,967,991.20

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Solution

The fourth proportional to 10,929,515.40, 15,082,804.17 and 5,967,991.20 is: 8,235,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929,515.40 : 15,082,804.17 = 5,967,991.20 : x
  2. Step 2: Convert to fraction form
    10,929,515.40/15,082,804.17 = 5,967,991.20/x
  3. Step 3: Cross multiply
    10,929,515.40x = 15,082,804.17 × 5,967,991.20
  4. Step 4: Simplify right side
    10,929,515.40x = 90,014,042,557,883.31
  5. Step 5: Solve for x
    x = 90,014,042,557,883.31/10,929,515.40
  6. Step 6: Final answer
    x = 8,235,867.67

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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.