Home / 31,008,921.35-46,509,832.85-8,291,590.07

Finding the Fourth Proportional to 31,008,921.35, 46,509,832.85 and 8,291,590.07

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Solution

The fourth proportional to 31,008,921.35, 46,509,832.85 and 8,291,590.07 is: 12,436,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,921.35 : 46,509,832.85 = 8,291,590.07 : x
  2. Step 2: Convert to fraction form
    31,008,921.35/46,509,832.85 = 8,291,590.07/x
  3. Step 3: Cross multiply
    31,008,921.35x = 46,509,832.85 × 8,291,590.07
  4. Step 4: Simplify right side
    31,008,921.35x = 385,640,467,942,412.69
  5. Step 5: Solve for x
    x = 385,640,467,942,412.69/31,008,921.35
  6. Step 6: Final answer
    x = 12,436,436.07

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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.