Home / 28,702,823.80-43,054,406.97-7,137,425.49

Finding the Fourth Proportional to 28,702,823.80, 43,054,406.97 and 7,137,425.49

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Solution

The fourth proportional to 28,702,823.80, 43,054,406.97 and 7,137,425.49 is: 10,706,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702,823.80 : 43,054,406.97 = 7,137,425.49 : x
  2. Step 2: Convert to fraction form
    28,702,823.80/43,054,406.97 = 7,137,425.49/x
  3. Step 3: Cross multiply
    28,702,823.80x = 43,054,406.97 × 7,137,425.49
  4. Step 4: Simplify right side
    28,702,823.80x = 307,297,621,764,511.69
  5. Step 5: Solve for x
    x = 307,297,621,764,511.69/28,702,823.80
  6. Step 6: Final answer
    x = 10,706,180.82

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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.