Home / 20,061,973.84-27,685,844.40-11,359,910.56

Finding the Fourth Proportional to 20,061,973.84, 27,685,844.40 and 11,359,910.56

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Solution

The fourth proportional to 20,061,973.84, 27,685,844.40 and 11,359,910.56 is: 15,676,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061,973.84 : 27,685,844.40 = 11,359,910.56 : x
  2. Step 2: Convert to fraction form
    20,061,973.84/27,685,844.40 = 11,359,910.56/x
  3. Step 3: Cross multiply
    20,061,973.84x = 27,685,844.40 × 11,359,910.56
  4. Step 4: Simplify right side
    20,061,973.84x = 314,508,716,162,076.88
  5. Step 5: Solve for x
    x = 314,508,716,162,076.88/20,061,973.84
  6. Step 6: Final answer
    x = 15,676,858.05

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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.