Home / 31,008,940.77-46,509,862.16-8,291,609.49

Finding the Fourth Proportional to 31,008,940.77, 46,509,862.16 and 8,291,609.49

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Solution

The fourth proportional to 31,008,940.77, 46,509,862.16 and 8,291,609.49 is: 12,436,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,940.77 : 46,509,862.16 = 8,291,609.49 : x
  2. Step 2: Convert to fraction form
    31,008,940.77/46,509,862.16 = 8,291,609.49/x
  3. Step 3: Cross multiply
    31,008,940.77x = 46,509,862.16 × 8,291,609.49
  4. Step 4: Simplify right side
    31,008,940.77x = 385,641,614,422,989.88
  5. Step 5: Solve for x
    x = 385,641,614,422,989.88/31,008,940.77
  6. Step 6: Final answer
    x = 12,436,465.25

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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.