Home / 11,097,731.20-15,314,399.28-6,969,919.36

Finding the Fourth Proportional to 11,097,731.20, 15,314,399.28 and 6,969,919.36

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Solution

The fourth proportional to 11,097,731.20, 15,314,399.28 and 6,969,919.36 is: 9,618,193.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097,731.20 : 15,314,399.28 = 6,969,919.36 : x
  2. Step 2: Convert to fraction form
    11,097,731.20/15,314,399.28 = 6,969,919.36/x
  3. Step 3: Cross multiply
    11,097,731.20x = 15,314,399.28 × 6,969,919.36
  4. Step 4: Simplify right side
    11,097,731.20x = 106,740,128,028,442.06
  5. Step 5: Solve for x
    x = 106,740,128,028,442.06/11,097,731.20
  6. Step 6: Final answer
    x = 9,618,193.67

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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.