Home / 12,323,530.80-18,485,717.92-4,236,437.36

Finding the Fourth Proportional to 12,323,530.80, 18,485,717.92 and 4,236,437.36

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Solution

The fourth proportional to 12,323,530.80, 18,485,717.92 and 4,236,437.36 is: 6,354,801.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323,530.80 : 18,485,717.92 = 4,236,437.36 : x
  2. Step 2: Convert to fraction form
    12,323,530.80/18,485,717.92 = 4,236,437.36/x
  3. Step 3: Cross multiply
    12,323,530.80x = 18,485,717.92 × 4,236,437.36
  4. Step 4: Simplify right side
    12,323,530.80x = 78,313,586,022,709.50
  5. Step 5: Solve for x
    x = 78,313,586,022,709.50/12,323,530.80
  6. Step 6: Final answer
    x = 6,354,801.01

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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.