Finding the Fourth Proportional to 19,623,207.57, 29,432,569.05 and 5,247,396.24
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Solution
The fourth proportional to 19,623,207.57, 29,432,569.05 and 5,247,396.24 is: 7,870,494.75
Step by Step Solution
- Step 1: Write the proportion equation
19,623,207.57 : 29,432,569.05 = 5,247,396.24 : x - Step 2: Convert to fraction form
19,623,207.57/29,432,569.05 = 5,247,396.24/x - Step 3: Cross multiply
19,623,207.57x = 29,432,569.05 × 5,247,396.24 - Step 4: Simplify right side
19,623,207.57x = 154,444,352,166,510.38 - Step 5: Solve for x
x = 154,444,352,166,510.38/19,623,207.57 - Step 6: Final answer
x = 7,870,494.75
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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.