Home / 11,397,428.37-15,728,293.89-6,240,789.90

Finding the Fourth Proportional to 11,397,428.37, 15,728,293.89 and 6,240,789.90

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Solution

The fourth proportional to 11,397,428.37, 15,728,293.89 and 6,240,789.90 is: 8,612,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397,428.37 : 15,728,293.89 = 6,240,789.90 : x
  2. Step 2: Convert to fraction form
    11,397,428.37/15,728,293.89 = 6,240,789.90/x
  3. Step 3: Cross multiply
    11,397,428.37x = 15,728,293.89 × 6,240,789.90
  4. Step 4: Simplify right side
    11,397,428.37x = 98,156,977,652,943.72
  5. Step 5: Solve for x
    x = 98,156,977,652,943.72/11,397,428.37
  6. Step 6: Final answer
    x = 8,612,203.95

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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.