Home / 11,912,141.91-17,870,205.87-9,353,253.63

Finding the Fourth Proportional to 11,912,141.91, 17,870,205.87 and 9,353,253.63

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Solution

The fourth proportional to 11,912,141.91, 17,870,205.87 and 9,353,253.63 is: 14,031,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,141.91 : 17,870,205.87 = 9,353,253.63 : x
  2. Step 2: Convert to fraction form
    11,912,141.91/17,870,205.87 = 9,353,253.63/x
  3. Step 3: Cross multiply
    11,912,141.91x = 17,870,205.87 × 9,353,253.63
  4. Step 4: Simplify right side
    11,912,141.91x = 167,144,567,922,424.84
  5. Step 5: Solve for x
    x = 167,144,567,922,424.84/11,912,141.91
  6. Step 6: Final answer
    x = 14,031,445.33

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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.