Home / 28,702,822.80-43,054,405.47-7,137,424.49

Finding the Fourth Proportional to 28,702,822.80, 43,054,405.47 and 7,137,424.49

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Solution

The fourth proportional to 28,702,822.80, 43,054,405.47 and 7,137,424.49 is: 10,706,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702,822.80 : 43,054,405.47 = 7,137,424.49 : x
  2. Step 2: Convert to fraction form
    28,702,822.80/43,054,405.47 = 7,137,424.49/x
  3. Step 3: Cross multiply
    28,702,822.80x = 43,054,405.47 × 7,137,424.49
  4. Step 4: Simplify right side
    28,702,822.80x = 307,297,568,003,967.94
  5. Step 5: Solve for x
    x = 307,297,568,003,967.94/28,702,822.80
  6. Step 6: Final answer
    x = 10,706,179.32

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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.