Finding the Fourth Proportional to 14,311,511.97, 21,413,097.37 and 8,478,830.35
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Solution
The fourth proportional to 14,311,511.97, 21,413,097.37 and 8,478,830.35 is: 12,686,152.26
Step by Step Solution
- Step 1: Write the proportion equation
14,311,511.97 : 21,413,097.37 = 8,478,830.35 : x - Step 2: Convert to fraction form
14,311,511.97/21,413,097.37 = 8,478,830.35/x - Step 3: Cross multiply
14,311,511.97x = 21,413,097.37 × 8,478,830.35 - Step 4: Simplify right side
14,311,511.97x = 181,558,019,868,261.19 - Step 5: Solve for x
x = 181,558,019,868,261.19/14,311,511.97 - Step 6: Final answer
x = 12,686,152.26
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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.