Finding the Fourth Proportional to 19,737,231.40, 29,605,847.10 and 15,252,725.80
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Solution
The fourth proportional to 19,737,231.40, 29,605,847.10 and 15,252,725.80 is: 22,879,088.70
Step by Step Solution
- Step 1: Write the proportion equation
19,737,231.40 : 29,605,847.10 = 15,252,725.80 : x - Step 2: Convert to fraction form
19,737,231.40/29,605,847.10 = 15,252,725.80/x - Step 3: Cross multiply
19,737,231.40x = 29,605,847.10 × 15,252,725.80 - Step 4: Simplify right side
19,737,231.40x = 451,569,867,893,025.25 - Step 5: Solve for x
x = 451,569,867,893,025.25/19,737,231.40 - Step 6: Final answer
x = 22,879,088.70
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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.