Home / 11,868,722.10-17,802,888.60-3,781,587.87

Finding the Fourth Proportional to 11,868,722.10, 17,802,888.60 and 3,781,587.87

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Solution

The fourth proportional to 11,868,722.10, 17,802,888.60 and 3,781,587.87 is: 5,672,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,722.10 : 17,802,888.60 = 3,781,587.87 : x
  2. Step 2: Convert to fraction form
    11,868,722.10/17,802,888.60 = 3,781,587.87/x
  3. Step 3: Cross multiply
    11,868,722.10x = 17,802,888.60 × 3,781,587.87
  4. Step 4: Simplify right side
    11,868,722.10x = 67,323,187,580,721.29
  5. Step 5: Solve for x
    x = 67,323,187,580,721.29/11,868,722.10
  6. Step 6: Final answer
    x = 5,672,319.82

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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.