Finding the Fourth Proportional to 17,645,062.80, 26,476,998.30 and 6,862,715.40
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Solution
The fourth proportional to 17,645,062.80, 26,476,998.30 and 6,862,715.40 is: 10,297,730.65
Step by Step Solution
- Step 1: Write the proportion equation
17,645,062.80 : 26,476,998.30 = 6,862,715.40 : x - Step 2: Convert to fraction form
17,645,062.80/26,476,998.30 = 6,862,715.40/x - Step 3: Cross multiply
17,645,062.80x = 26,476,998.30 × 6,862,715.40 - Step 4: Simplify right side
17,645,062.80x = 181,704,103,979,183.84 - Step 5: Solve for x
x = 181,704,103,979,183.84/17,645,062.80 - Step 6: Final answer
x = 10,297,730.65
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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.