Finding the Fourth Proportional to 38,081,713.49, 52,554,271.44 and 21,336,597.46
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Solution
The fourth proportional to 38,081,713.49, 52,554,271.44 and 21,336,597.46 is: 29,445,348.75
Step by Step Solution
- Step 1: Write the proportion equation
38,081,713.49 : 52,554,271.44 = 21,336,597.46 : x - Step 2: Convert to fraction form
38,081,713.49/52,554,271.44 = 21,336,597.46/x - Step 3: Cross multiply
38,081,713.49x = 52,554,271.44 × 21,336,597.46 - Step 4: Simplify right side
38,081,713.49x = 1,121,329,334,456,726 - Step 5: Solve for x
x = 1,121,329,334,456,726/38,081,713.49 - Step 6: Final answer
x = 29,445,348.75
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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.