Home / 12,236,460.36-18,338,156.30-4,659,292.68

Finding the Fourth Proportional to 12,236,460.36, 18,338,156.30 and 4,659,292.68

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Solution

The fourth proportional to 12,236,460.36, 18,338,156.30 and 4,659,292.68 is: 6,982,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,460.36 : 18,338,156.30 = 4,659,292.68 : x
  2. Step 2: Convert to fraction form
    12,236,460.36/18,338,156.30 = 4,659,292.68/x
  3. Step 3: Cross multiply
    12,236,460.36x = 18,338,156.30 × 4,659,292.68
  4. Step 4: Simplify right side
    12,236,460.36x = 85,442,837,413,285.88
  5. Step 5: Solve for x
    x = 85,442,837,413,285.88/12,236,460.36
  6. Step 6: Final answer
    x = 6,982,643.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.