Finding the Fourth Proportional to 13,569,936.18, 18,726,656.96 and 7,374,982.62
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Solution
The fourth proportional to 13,569,936.18, 18,726,656.96 and 7,374,982.62 is: 10,177,554.84
Step by Step Solution
- Step 1: Write the proportion equation
13,569,936.18 : 18,726,656.96 = 7,374,982.62 : x - Step 2: Convert to fraction form
13,569,936.18/18,726,656.96 = 7,374,982.62/x - Step 3: Cross multiply
13,569,936.18x = 18,726,656.96 × 7,374,982.62 - Step 4: Simplify right side
13,569,936.18x = 138,108,769,610,702.05 - Step 5: Solve for x
x = 138,108,769,610,702.05/13,569,936.18 - Step 6: Final answer
x = 10,177,554.84
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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.