Home / 12,705,583.36-19,059,101.60-3,606,969.28

Finding the Fourth Proportional to 12,705,583.36, 19,059,101.60 and 3,606,969.28

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Solution

The fourth proportional to 12,705,583.36, 19,059,101.60 and 3,606,969.28 is: 5,410,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,583.36 : 19,059,101.60 = 3,606,969.28 : x
  2. Step 2: Convert to fraction form
    12,705,583.36/19,059,101.60 = 3,606,969.28/x
  3. Step 3: Cross multiply
    12,705,583.36x = 19,059,101.60 × 3,606,969.28
  4. Step 4: Simplify right side
    12,705,583.36x = 68,745,593,975,598.85
  5. Step 5: Solve for x
    x = 68,745,593,975,598.85/12,705,583.36
  6. Step 6: Final answer
    x = 5,410,660.18

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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.