Home / 11,027,143.52-15,215,228.16-6,442,579.20

Finding the Fourth Proportional to 11,027,143.52, 15,215,228.16 and 6,442,579.20

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Solution

The fourth proportional to 11,027,143.52, 15,215,228.16 and 6,442,579.20 is: 8,889,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027,143.52 : 15,215,228.16 = 6,442,579.20 : x
  2. Step 2: Convert to fraction form
    11,027,143.52/15,215,228.16 = 6,442,579.20/x
  3. Step 3: Cross multiply
    11,027,143.52x = 15,215,228.16 × 6,442,579.20
  4. Step 4: Simplify right side
    11,027,143.52x = 98,025,312,466,870.28
  5. Step 5: Solve for x
    x = 98,025,312,466,870.28/11,027,143.52
  6. Step 6: Final answer
    x = 8,889,456.48

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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.