Home / 31,008,908.51-46,509,813.66-8,291,577.23

Finding the Fourth Proportional to 31,008,908.51, 46,509,813.66 and 8,291,577.23

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Solution

The fourth proportional to 31,008,908.51, 46,509,813.66 and 8,291,577.23 is: 12,436,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,908.51 : 46,509,813.66 = 8,291,577.23 : x
  2. Step 2: Convert to fraction form
    31,008,908.51/46,509,813.66 = 8,291,577.23/x
  3. Step 3: Cross multiply
    31,008,908.51x = 46,509,813.66 × 8,291,577.23
  4. Step 4: Simplify right side
    31,008,908.51x = 385,639,711,682,249.88
  5. Step 5: Solve for x
    x = 385,639,711,682,249.88/31,008,908.51
  6. Step 6: Final answer
    x = 12,436,416.83

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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.