Finding the Fourth Proportional to 7,445,837.08, 10,274,135.88 and 4,182,026.68
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Solution
The fourth proportional to 7,445,837.08, 10,274,135.88 and 4,182,026.68 is: 5,770,568.16
Step by Step Solution
- Step 1: Write the proportion equation
7,445,837.08 : 10,274,135.88 = 4,182,026.68 : x - Step 2: Convert to fraction form
7,445,837.08/10,274,135.88 = 4,182,026.68/x - Step 3: Cross multiply
7,445,837.08x = 10,274,135.88 × 4,182,026.68 - Step 4: Simplify right side
7,445,837.08x = 42,966,710,364,105.28 - Step 5: Solve for x
x = 42,966,710,364,105.28/7,445,837.08 - Step 6: Final answer
x = 5,770,568.16
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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.