Finding the Fourth Proportional to 18,282,540.90, 27,415,838.73 and 6,915,017.91
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Solution
The fourth proportional to 18,282,540.90, 27,415,838.73 and 6,915,017.91 is: 10,369,511.38
Step by Step Solution
- Step 1: Write the proportion equation
18,282,540.90 : 27,415,838.73 = 6,915,017.91 : x - Step 2: Convert to fraction form
18,282,540.90/27,415,838.73 = 6,915,017.91/x - Step 3: Cross multiply
18,282,540.90x = 27,415,838.73 × 6,915,017.91 - Step 4: Simplify right side
18,282,540.90x = 189,581,015,835,621.66 - Step 5: Solve for x
x = 189,581,015,835,621.66/18,282,540.90 - Step 6: Final answer
x = 10,369,511.38
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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.