Finding the Fourth Proportional to 18,641,459.64, 27,963,185.91 and 5,862,960.80
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Solution
The fourth proportional to 18,641,459.64, 27,963,185.91 and 5,862,960.80 is: 8,794,754.60
Step by Step Solution
- Step 1: Write the proportion equation
18,641,459.64 : 27,963,185.91 = 5,862,960.80 : x - Step 2: Convert to fraction form
18,641,459.64/27,963,185.91 = 5,862,960.80/x - Step 3: Cross multiply
18,641,459.64x = 27,963,185.91 × 5,862,960.80 - Step 4: Simplify right side
18,641,459.64x = 163,947,062,833,442.31 - Step 5: Solve for x
x = 163,947,062,833,442.31/18,641,459.64 - Step 6: Final answer
x = 8,794,754.60
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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.