Finding the Fourth Proportional to 18,159,394.68, 25,060,133.70 and 10,010,924.28
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Solution
The fourth proportional to 18,159,394.68, 25,060,133.70 and 10,010,924.28 is: 13,815,168.70
Step by Step Solution
- Step 1: Write the proportion equation
18,159,394.68 : 25,060,133.70 = 10,010,924.28 : x - Step 2: Convert to fraction form
18,159,394.68/25,060,133.70 = 10,010,924.28/x - Step 3: Cross multiply
18,159,394.68x = 25,060,133.70 × 10,010,924.28 - Step 4: Simplify right side
18,159,394.68x = 250,875,100,917,376.22 - Step 5: Solve for x
x = 250,875,100,917,376.22/18,159,394.68 - Step 6: Final answer
x = 13,815,168.70
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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.