Home / 9,378,455.75-14,067,421.17-2,989,091.51

Finding the Fourth Proportional to 9,378,455.75, 14,067,421.17 and 2,989,091.51

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Solution

The fourth proportional to 9,378,455.75, 14,067,421.17 and 2,989,091.51 is: 4,483,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,455.75 : 14,067,421.17 = 2,989,091.51 : x
  2. Step 2: Convert to fraction form
    9,378,455.75/14,067,421.17 = 2,989,091.51/x
  3. Step 3: Cross multiply
    9,378,455.75x = 14,067,421.17 × 2,989,091.51
  4. Step 4: Simplify right side
    9,378,455.75x = 42,048,809,116,504.16
  5. Step 5: Solve for x
    x = 42,048,809,116,504.16/9,378,455.75
  6. Step 6: Final answer
    x = 4,483,553.61

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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.