Finding the Fourth Proportional to 10,215,459.72, 15,318,578.30 and 2,927,252.46
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Solution
The fourth proportional to 10,215,459.72, 15,318,578.30 and 2,927,252.46 is: 4,389,557.32
Step by Step Solution
- Step 1: Write the proportion equation
10,215,459.72 : 15,318,578.30 = 2,927,252.46 : x - Step 2: Convert to fraction form
10,215,459.72/15,318,578.30 = 2,927,252.46/x - Step 3: Cross multiply
10,215,459.72x = 15,318,578.30 × 2,927,252.46 - Step 4: Simplify right side
10,215,459.72x = 44,841,346,012,377.62 - Step 5: Solve for x
x = 44,841,346,012,377.62/10,215,459.72 - Step 6: Final answer
x = 4,389,557.32
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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.