Home / 20,614,139.09-30,925,009.91-6,781,876.25

Finding the Fourth Proportional to 20,614,139.09, 30,925,009.91 and 6,781,876.25

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Solution

The fourth proportional to 20,614,139.09, 30,925,009.91 and 6,781,876.25 is: 10,174,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,139.09 : 30,925,009.91 = 6,781,876.25 : x
  2. Step 2: Convert to fraction form
    20,614,139.09/30,925,009.91 = 6,781,876.25/x
  3. Step 3: Cross multiply
    20,614,139.09x = 30,925,009.91 × 6,781,876.25
  4. Step 4: Simplify right side
    20,614,139.09x = 209,729,590,333,910.88
  5. Step 5: Solve for x
    x = 209,729,590,333,910.88/20,614,139.09
  6. Step 6: Final answer
    x = 10,174,064.97

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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.