Finding the Fourth Proportional to 7,531,546.85, 11,298,823.63 and 3,938,931.17
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Solution
The fourth proportional to 7,531,546.85, 11,298,823.63 and 3,938,931.17 is: 5,909,182.99
Step by Step Solution
- Step 1: Write the proportion equation
7,531,546.85 : 11,298,823.63 = 3,938,931.17 : x - Step 2: Convert to fraction form
7,531,546.85/11,298,823.63 = 3,938,931.17/x - Step 3: Cross multiply
7,531,546.85x = 11,298,823.63 × 3,938,931.17 - Step 4: Simplify right side
7,531,546.85x = 44,505,288,514,198.10 - Step 5: Solve for x
x = 44,505,288,514,198.10/7,531,546.85 - Step 6: Final answer
x = 5,909,182.99
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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.