Home / 11,779,969.80-17,669,954.70-8,192,743.05

Finding the Fourth Proportional to 11,779,969.80, 17,669,954.70 and 8,192,743.05

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Solution

The fourth proportional to 11,779,969.80, 17,669,954.70 and 8,192,743.05 is: 12,289,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779,969.80 : 17,669,954.70 = 8,192,743.05 : x
  2. Step 2: Convert to fraction form
    11,779,969.80/17,669,954.70 = 8,192,743.05/x
  3. Step 3: Cross multiply
    11,779,969.80x = 17,669,954.70 × 8,192,743.05
  4. Step 4: Simplify right side
    11,779,969.80x = 144,765,398,562,239.81
  5. Step 5: Solve for x
    x = 144,765,398,562,239.81/11,779,969.80
  6. Step 6: Final answer
    x = 12,289,114.58

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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.