Home / 12,291,284.82-16,961,970.38-6,784,658.23

Finding the Fourth Proportional to 12,291,284.82, 16,961,970.38 and 6,784,658.23

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Solution

The fourth proportional to 12,291,284.82, 16,961,970.38 and 6,784,658.23 is: 9,362,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,284.82 : 16,961,970.38 = 6,784,658.23 : x
  2. Step 2: Convert to fraction form
    12,291,284.82/16,961,970.38 = 6,784,658.23/x
  3. Step 3: Cross multiply
    12,291,284.82x = 16,961,970.38 × 6,784,658.23
  4. Step 4: Simplify right side
    12,291,284.82x = 115,081,171,935,683.23
  5. Step 5: Solve for x
    x = 115,081,171,935,683.23/12,291,284.82
  6. Step 6: Final answer
    x = 9,362,826.88

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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.