Home / 13,879,628.28-19,119,663.06-11,808,008.88

Finding the Fourth Proportional to 13,879,628.28, 19,119,663.06 and 11,808,008.88

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Solution

The fourth proportional to 13,879,628.28, 19,119,663.06 and 11,808,008.88 is: 16,265,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,628.28 : 19,119,663.06 = 11,808,008.88 : x
  2. Step 2: Convert to fraction form
    13,879,628.28/19,119,663.06 = 11,808,008.88/x
  3. Step 3: Cross multiply
    13,879,628.28x = 19,119,663.06 × 11,808,008.88
  4. Step 4: Simplify right side
    13,879,628.28x = 225,765,151,195,087.97
  5. Step 5: Solve for x
    x = 225,765,151,195,087.97/13,879,628.28
  6. Step 6: Final answer
    x = 16,265,936.42

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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.