Home / 11,868,722.35-17,802,888.98-3,781,588.12

Finding the Fourth Proportional to 11,868,722.35, 17,802,888.98 and 3,781,588.12

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Solution

The fourth proportional to 11,868,722.35, 17,802,888.98 and 3,781,588.12 is: 5,672,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,722.35 : 17,802,888.98 = 3,781,588.12 : x
  2. Step 2: Convert to fraction form
    11,868,722.35/17,802,888.98 = 3,781,588.12/x
  3. Step 3: Cross multiply
    11,868,722.35x = 17,802,888.98 × 3,781,588.12
  4. Step 4: Simplify right side
    11,868,722.35x = 67,323,193,405,031.77
  5. Step 5: Solve for x
    x = 67,323,193,405,031.77/11,868,722.35
  6. Step 6: Final answer
    x = 5,672,320.19

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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.