Home / 20,696,755.05-31,049,676.69-6,122,533.59

Finding the Fourth Proportional to 20,696,755.05, 31,049,676.69 and 6,122,533.59

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Solution

The fourth proportional to 20,696,755.05, 31,049,676.69 and 6,122,533.59 is: 9,185,144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,755.05 : 31,049,676.69 = 6,122,533.59 : x
  2. Step 2: Convert to fraction form
    20,696,755.05/31,049,676.69 = 6,122,533.59/x
  3. Step 3: Cross multiply
    20,696,755.05x = 31,049,676.69 × 6,122,533.59
  4. Step 4: Simplify right side
    20,696,755.05x = 190,102,688,493,165.03
  5. Step 5: Solve for x
    x = 190,102,688,493,165.03/20,696,755.05
  6. Step 6: Final answer
    x = 9,185,144.63

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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.