Finding the Fourth Proportional to 18,056,172.18, 27,086,312.67 and 6,547,060.08
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Solution
The fourth proportional to 18,056,172.18, 27,086,312.67 and 6,547,060.08 is: 9,821,335.03
Step by Step Solution
- Step 1: Write the proportion equation
18,056,172.18 : 27,086,312.67 = 6,547,060.08 : x - Step 2: Convert to fraction form
18,056,172.18/27,086,312.67 = 6,547,060.08/x - Step 3: Cross multiply
18,056,172.18x = 27,086,312.67 × 6,547,060.08 - Step 4: Simplify right side
18,056,172.18x = 177,335,716,396,155.22 - Step 5: Solve for x
x = 177,335,716,396,155.22/18,056,172.18 - Step 6: Final answer
x = 9,821,335.03
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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.