Finding the Fourth Proportional to 13,366,165.68, 18,445,326.84 and 7,254,594.96
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Solution
The fourth proportional to 13,366,165.68, 18,445,326.84 and 7,254,594.96 is: 10,011,350.92
Step by Step Solution
- Step 1: Write the proportion equation
13,366,165.68 : 18,445,326.84 = 7,254,594.96 : x - Step 2: Convert to fraction form
13,366,165.68/18,445,326.84 = 7,254,594.96/x - Step 3: Cross multiply
13,366,165.68x = 18,445,326.84 × 7,254,594.96 - Step 4: Simplify right side
13,366,165.68x = 133,813,375,129,016.72 - Step 5: Solve for x
x = 133,813,375,129,016.72/13,366,165.68 - Step 6: Final answer
x = 10,011,350.92
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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.