Finding the Fourth Proportional to 19,824,728.92, 29,736,439.02 and 8,152,696.42
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Solution
The fourth proportional to 19,824,728.92, 29,736,439.02 and 8,152,696.42 is: 12,228,775.53
Step by Step Solution
- Step 1: Write the proportion equation
19,824,728.92 : 29,736,439.02 = 8,152,696.42 : x - Step 2: Convert to fraction form
19,824,728.92/29,736,439.02 = 8,152,696.42/x - Step 3: Cross multiply
19,824,728.92x = 29,736,439.02 × 8,152,696.42 - Step 4: Simplify right side
19,824,728.92x = 242,432,159,941,902.31 - Step 5: Solve for x
x = 242,432,159,941,902.31/19,824,728.92 - Step 6: Final answer
x = 12,228,775.53
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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.