Finding the Fourth Proportional to 11,997,547.29, 17,998,187.18 and 3,908,639.84
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Solution
The fourth proportional to 11,997,547.29, 17,998,187.18 and 3,908,639.84 is: 5,863,567.76
Step by Step Solution
- Step 1: Write the proportion equation
11,997,547.29 : 17,998,187.18 = 3,908,639.84 : x - Step 2: Convert to fraction form
11,997,547.29/17,998,187.18 = 3,908,639.84/x - Step 3: Cross multiply
11,997,547.29x = 17,998,187.18 × 3,908,639.84 - Step 4: Simplify right side
11,997,547.29x = 70,348,431,459,525.25 - Step 5: Solve for x
x = 70,348,431,459,525.25/11,997,547.29 - Step 6: Final answer
x = 5,863,567.76
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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.