Home / 26,112,876.60-39,144,431.70-20,352,415.80

Finding the Fourth Proportional to 26,112,876.60, 39,144,431.70 and 20,352,415.80

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Solution

The fourth proportional to 26,112,876.60, 39,144,431.70 and 20,352,415.80 is: 30,509,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112,876.60 : 39,144,431.70 = 20,352,415.80 : x
  2. Step 2: Convert to fraction form
    26,112,876.60/39,144,431.70 = 20,352,415.80/x
  3. Step 3: Cross multiply
    26,112,876.60x = 39,144,431.70 × 20,352,415.80
  4. Step 4: Simplify right side
    26,112,876.60x = 796,683,750,213,101
  5. Step 5: Solve for x
    x = 796,683,750,213,101/26,112,876.60
  6. Step 6: Final answer
    x = 30,509,229.70

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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.