Finding the Fourth Proportional to 11,886,476.08, 16,403,402.72 and 6,453,968.08
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Solution
The fourth proportional to 11,886,476.08, 16,403,402.72 and 6,453,968.08 is: 8,906,511.64
Step by Step Solution
- Step 1: Write the proportion equation
11,886,476.08 : 16,403,402.72 = 6,453,968.08 : x - Step 2: Convert to fraction form
11,886,476.08/16,403,402.72 = 6,453,968.08/x - Step 3: Cross multiply
11,886,476.08x = 16,403,402.72 × 6,453,968.08 - Step 4: Simplify right side
11,886,476.08x = 105,867,037,558,265.19 - Step 5: Solve for x
x = 105,867,037,558,265.19/11,886,476.08 - Step 6: Final answer
x = 8,906,511.64
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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.