Finding the Fourth Proportional to 8,186,642.10, 11,297,368.13 and 4,515,479.81
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Solution
The fourth proportional to 8,186,642.10, 11,297,368.13 and 4,515,479.81 is: 6,231,252.94
Step by Step Solution
- Step 1: Write the proportion equation
8,186,642.10 : 11,297,368.13 = 4,515,479.81 : x - Step 2: Convert to fraction form
8,186,642.10/11,297,368.13 = 4,515,479.81/x - Step 3: Cross multiply
8,186,642.10x = 11,297,368.13 × 4,515,479.81 - Step 4: Simplify right side
8,186,642.10x = 51,013,037,618,088.21 - Step 5: Solve for x
x = 51,013,037,618,088.21/8,186,642.10 - Step 6: Final answer
x = 6,231,252.94
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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.