Finding the Fourth Proportional to 13,531,653.78, 18,655,616.79 and 10,750,006.62
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Solution
The fourth proportional to 13,531,653.78, 18,655,616.79 and 10,750,006.62 is: 14,820,657.35
Step by Step Solution
- Step 1: Write the proportion equation
13,531,653.78 : 18,655,616.79 = 10,750,006.62 : x - Step 2: Convert to fraction form
13,531,653.78/18,655,616.79 = 10,750,006.62/x - Step 3: Cross multiply
13,531,653.78x = 18,655,616.79 × 10,750,006.62 - Step 4: Simplify right side
13,531,653.78x = 200,548,003,992,683.12 - Step 5: Solve for x
x = 200,548,003,992,683.12/13,531,653.78 - Step 6: Final answer
x = 14,820,657.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.