Home / 31,008,921.53-46,509,833.12-8,291,590.25

Finding the Fourth Proportional to 31,008,921.53, 46,509,833.12 and 8,291,590.25

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Solution

The fourth proportional to 31,008,921.53, 46,509,833.12 and 8,291,590.25 is: 12,436,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,921.53 : 46,509,833.12 = 8,291,590.25 : x
  2. Step 2: Convert to fraction form
    31,008,921.53/46,509,833.12 = 8,291,590.25/x
  3. Step 3: Cross multiply
    31,008,921.53x = 46,509,833.12 × 8,291,590.25
  4. Step 4: Simplify right side
    31,008,921.53x = 385,640,478,552,912
  5. Step 5: Solve for x
    x = 385,640,478,552,912/31,008,921.53
  6. Step 6: Final answer
    x = 12,436,436.34

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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.