Finding the Fourth Proportional to 8,328,655.14, 11,493,479.16 and 4,657,578.84
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Solution
The fourth proportional to 8,328,655.14, 11,493,479.16 and 4,657,578.84 is: 6,427,422.49
Step by Step Solution
- Step 1: Write the proportion equation
8,328,655.14 : 11,493,479.16 = 4,657,578.84 : x - Step 2: Convert to fraction form
8,328,655.14/11,493,479.16 = 4,657,578.84/x - Step 3: Cross multiply
8,328,655.14x = 11,493,479.16 × 4,657,578.84 - Step 4: Simplify right side
8,328,655.14x = 53,531,785,333,596.98 - Step 5: Solve for x
x = 53,531,785,333,596.98/8,328,655.14 - Step 6: Final answer
x = 6,427,422.49
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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.