Finding the Fourth Proportional to 11,122,494.79, 16,677,660.20 and 8,831,703.26
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Solution
The fourth proportional to 11,122,494.79, 16,677,660.20 and 8,831,703.26 is: 13,242,725.55
Step by Step Solution
- Step 1: Write the proportion equation
11,122,494.79 : 16,677,660.20 = 8,831,703.26 : x - Step 2: Convert to fraction form
11,122,494.79/16,677,660.20 = 8,831,703.26/x - Step 3: Cross multiply
11,122,494.79x = 16,677,660.20 × 8,831,703.26 - Step 4: Simplify right side
11,122,494.79x = 147,292,145,925,625.53 - Step 5: Solve for x
x = 147,292,145,925,625.53/11,122,494.79 - Step 6: Final answer
x = 13,242,725.55
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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.