Home / 13,111,205.70-19,666,808.55-11,835,747.30

Finding the Fourth Proportional to 13,111,205.70, 19,666,808.55 and 11,835,747.30

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Solution

The fourth proportional to 13,111,205.70, 19,666,808.55 and 11,835,747.30 is: 17,753,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,205.70 : 19,666,808.55 = 11,835,747.30 : x
  2. Step 2: Convert to fraction form
    13,111,205.70/19,666,808.55 = 11,835,747.30/x
  3. Step 3: Cross multiply
    13,111,205.70x = 19,666,808.55 × 11,835,747.30
  4. Step 4: Simplify right side
    13,111,205.70x = 232,771,376,195,279.44
  5. Step 5: Solve for x
    x = 232,771,376,195,279.44/13,111,205.70
  6. Step 6: Final answer
    x = 17,753,620.95

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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.