Finding the Fourth Proportional to 19,934,496.45, 29,903,432.94 and 5,557,578.24
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Solution
The fourth proportional to 19,934,496.45, 29,903,432.94 and 5,557,578.24 is: 8,336,838.03
Step by Step Solution
- Step 1: Write the proportion equation
19,934,496.45 : 29,903,432.94 = 5,557,578.24 : x - Step 2: Convert to fraction form
19,934,496.45/29,903,432.94 = 5,557,578.24/x - Step 3: Cross multiply
19,934,496.45x = 29,903,432.94 × 5,557,578.24 - Step 4: Simplify right side
19,934,496.45x = 166,190,668,208,643.25 - Step 5: Solve for x
x = 166,190,668,208,643.25/19,934,496.45 - Step 6: Final answer
x = 8,336,838.03
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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.