Finding the Fourth Proportional to 8,889,876.36, 12,268,088.28 and 4,815,495.36
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Solution
The fourth proportional to 8,889,876.36, 12,268,088.28 and 4,815,495.36 is: 6,645,415.50
Step by Step Solution
- Step 1: Write the proportion equation
8,889,876.36 : 12,268,088.28 = 4,815,495.36 : x - Step 2: Convert to fraction form
8,889,876.36/12,268,088.28 = 4,815,495.36/x - Step 3: Cross multiply
8,889,876.36x = 12,268,088.28 × 4,815,495.36 - Step 4: Simplify right side
8,889,876.36x = 59,076,922,188,410.38 - Step 5: Solve for x
x = 59,076,922,188,410.38/8,889,876.36 - Step 6: Final answer
x = 6,645,415.50
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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.