Finding the Fourth Proportional to 11,838,601.06, 16,218,612.05 and 11,395,988.01
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Solution
The fourth proportional to 11,838,601.06, 16,218,612.05 and 11,395,988.01 is: 15,612,242.32
Step by Step Solution
- Step 1: Write the proportion equation
11,838,601.06 : 16,218,612.05 = 11,395,988.01 : x - Step 2: Convert to fraction form
11,838,601.06/16,218,612.05 = 11,395,988.01/x - Step 3: Cross multiply
11,838,601.06x = 16,218,612.05 × 11,395,988.01 - Step 4: Simplify right side
11,838,601.06x = 184,827,108,359,269.41 - Step 5: Solve for x
x = 184,827,108,359,269.41/11,838,601.06 - Step 6: Final answer
x = 15,612,242.32
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.