Finding the Fourth Proportional to 8,070,159.29, 11,136,729.16 and 4,398,995.31
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Solution
The fourth proportional to 8,070,159.29, 11,136,729.16 and 4,398,995.31 is: 6,070,564.11
Step by Step Solution
- Step 1: Write the proportion equation
8,070,159.29 : 11,136,729.16 = 4,398,995.31 : x - Step 2: Convert to fraction form
8,070,159.29/11,136,729.16 = 4,398,995.31/x - Step 3: Cross multiply
8,070,159.29x = 11,136,729.16 × 4,398,995.31 - Step 4: Simplify right side
8,070,159.29x = 48,990,419,390,841.72 - Step 5: Solve for x
x = 48,990,419,390,841.72/8,070,159.29 - Step 6: Final answer
x = 6,070,564.11
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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.