Home / 11,868,723.09-17,802,890.10-3,781,588.86

Finding the Fourth Proportional to 11,868,723.09, 17,802,890.10 and 3,781,588.86

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Solution

The fourth proportional to 11,868,723.09, 17,802,890.10 and 3,781,588.86 is: 5,672,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,723.09 : 17,802,890.10 = 3,781,588.86 : x
  2. Step 2: Convert to fraction form
    11,868,723.09/17,802,890.10 = 3,781,588.86/x
  3. Step 3: Cross multiply
    11,868,723.09x = 17,802,890.10 × 3,781,588.86
  4. Step 4: Simplify right side
    11,868,723.09x = 67,323,210,877,964.29
  5. Step 5: Solve for x
    x = 67,323,210,877,964.29/11,868,723.09
  6. Step 6: Final answer
    x = 5,672,321.31

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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.