Finding the Fourth Proportional to 10,616,468.55, 15,936,676.65 and 7,029,241.80
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Solution
The fourth proportional to 10,616,468.55, 15,936,676.65 and 7,029,241.80 is: 10,551,790.66
Step by Step Solution
- Step 1: Write the proportion equation
10,616,468.55 : 15,936,676.65 = 7,029,241.80 : x - Step 2: Convert to fraction form
10,616,468.55/15,936,676.65 = 7,029,241.80/x - Step 3: Cross multiply
10,616,468.55x = 15,936,676.65 × 7,029,241.80 - Step 4: Simplify right side
10,616,468.55x = 112,022,753,661,263.97 - Step 5: Solve for x
x = 112,022,753,661,263.97/10,616,468.55 - Step 6: Final answer
x = 10,551,790.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.