Home / 12,796,628.60-19,157,618.10-11,452,935.80

Finding the Fourth Proportional to 12,796,628.60, 19,157,618.10 and 11,452,935.80

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Solution

The fourth proportional to 12,796,628.60, 19,157,618.10 and 11,452,935.80 is: 17,145,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796,628.60 : 19,157,618.10 = 11,452,935.80 : x
  2. Step 2: Convert to fraction form
    12,796,628.60/19,157,618.10 = 11,452,935.80/x
  3. Step 3: Cross multiply
    12,796,628.60x = 19,157,618.10 × 11,452,935.80
  4. Step 4: Simplify right side
    12,796,628.60x = 219,410,970,180,218
  5. Step 5: Solve for x
    x = 219,410,970,180,218/12,796,628.60
  6. Step 6: Final answer
    x = 17,145,998.14

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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.