Finding the Fourth Proportional to 15,515,916.66, 21,411,173.61 and 8,546,444.18
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Solution
The fourth proportional to 15,515,916.66, 21,411,173.61 and 8,546,444.18 is: 11,793,657.06
Step by Step Solution
- Step 1: Write the proportion equation
15,515,916.66 : 21,411,173.61 = 8,546,444.18 : x - Step 2: Convert to fraction form
15,515,916.66/21,411,173.61 = 8,546,444.18/x - Step 3: Cross multiply
15,515,916.66x = 21,411,173.61 × 8,546,444.18 - Step 4: Simplify right side
15,515,916.66x = 182,989,400,091,439.31 - Step 5: Solve for x
x = 182,989,400,091,439.31/15,515,916.66 - Step 6: Final answer
x = 11,793,657.06
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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.