Finding the Fourth Proportional to 8,205,877.23, 12,297,813.39 and 6,386,439.18
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Solution
The fourth proportional to 8,205,877.23, 12,297,813.39 and 6,386,439.18 is: 9,571,095.82
Step by Step Solution
- Step 1: Write the proportion equation
8,205,877.23 : 12,297,813.39 = 6,386,439.18 : x - Step 2: Convert to fraction form
8,205,877.23/12,297,813.39 = 6,386,439.18/x - Step 3: Cross multiply
8,205,877.23x = 12,297,813.39 × 6,386,439.18 - Step 4: Simplify right side
8,205,877.23x = 78,539,237,262,224.62 - Step 5: Solve for x
x = 78,539,237,262,224.62/8,205,877.23 - Step 6: Final answer
x = 9,571,095.82
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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.