Finding the Fourth Proportional to 15,454,716.24, 21,326,439.92 and 8,578,657.02
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Solution
The fourth proportional to 15,454,716.24, 21,326,439.92 and 8,578,657.02 is: 11,837,953.59
Step by Step Solution
- Step 1: Write the proportion equation
15,454,716.24 : 21,326,439.92 = 8,578,657.02 : x - Step 2: Convert to fraction form
15,454,716.24/21,326,439.92 = 8,578,657.02/x - Step 3: Cross multiply
15,454,716.24x = 21,326,439.92 × 8,578,657.02 - Step 4: Simplify right side
15,454,716.24x = 182,952,213,531,316.25 - Step 5: Solve for x
x = 182,952,213,531,316.25/15,454,716.24 - Step 6: Final answer
x = 11,837,953.59
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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.