Home / 12,763,599.30-19,109,969.55-12,409,305.30

Finding the Fourth Proportional to 12,763,599.30, 19,109,969.55 and 12,409,305.30

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Solution

The fourth proportional to 12,763,599.30, 19,109,969.55 and 12,409,305.30 is: 18,579,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,599.30 : 19,109,969.55 = 12,409,305.30 : x
  2. Step 2: Convert to fraction form
    12,763,599.30/19,109,969.55 = 12,409,305.30/x
  3. Step 3: Cross multiply
    12,763,599.30x = 19,109,969.55 × 12,409,305.30
  4. Step 4: Simplify right side
    12,763,599.30x = 237,141,446,419,653.62
  5. Step 5: Solve for x
    x = 237,141,446,419,653.62/12,763,599.30
  6. Step 6: Final answer
    x = 18,579,512.00

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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.