Finding the Fourth Proportional to 19,251,403.92, 26,556,999.42 and 13,054,354.80
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Solution
The fourth proportional to 19,251,403.92, 26,556,999.42 and 13,054,354.80 is: 18,008,270.68
Step by Step Solution
- Step 1: Write the proportion equation
19,251,403.92 : 26,556,999.42 = 13,054,354.80 : x - Step 2: Convert to fraction form
19,251,403.92/26,556,999.42 = 13,054,354.80/x - Step 3: Cross multiply
19,251,403.92x = 26,556,999.42 × 13,054,354.80 - Step 4: Simplify right side
19,251,403.92x = 346,684,492,852,074.25 - Step 5: Solve for x
x = 346,684,492,852,074.25/19,251,403.92 - Step 6: Final answer
x = 18,008,270.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.