Finding the Fourth Proportional to 15,556,862.49, 23,327,825.12 and 7,352,670.97
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Solution
The fourth proportional to 15,556,862.49, 23,327,825.12 and 7,352,670.97 is: 11,025,476.55
Step by Step Solution
- Step 1: Write the proportion equation
15,556,862.49 : 23,327,825.12 = 7,352,670.97 : x - Step 2: Convert to fraction form
15,556,862.49/23,327,825.12 = 7,352,670.97/x - Step 3: Cross multiply
15,556,862.49x = 23,327,825.12 × 7,352,670.97 - Step 4: Simplify right side
15,556,862.49x = 171,521,822,553,060.78 - Step 5: Solve for x
x = 171,521,822,553,060.78/15,556,862.49 - Step 6: Final answer
x = 11,025,476.55
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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.