Finding the Fourth Proportional to 35,571,433.16, 49,089,135.06 and 20,887,424.12
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Solution
The fourth proportional to 35,571,433.16, 49,089,135.06 and 20,887,424.12 is: 28,824,972.53
Step by Step Solution
- Step 1: Write the proportion equation
35,571,433.16 : 49,089,135.06 = 20,887,424.12 : x - Step 2: Convert to fraction form
35,571,433.16/49,089,135.06 = 20,887,424.12/x - Step 3: Cross multiply
35,571,433.16x = 49,089,135.06 × 20,887,424.12 - Step 4: Simplify right side
35,571,433.16x = 1,025,345,583,682,181.75 - Step 5: Solve for x
x = 1,025,345,583,682,181.75/35,571,433.16 - Step 6: Final answer
x = 28,824,972.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.