Finding the Fourth Proportional to 7,006,731.36, 9,669,284.64 and 3,787,467.36
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Solution
The fourth proportional to 7,006,731.36, 9,669,284.64 and 3,787,467.36 is: 5,226,702.45
Step by Step Solution
- Step 1: Write the proportion equation
7,006,731.36 : 9,669,284.64 = 3,787,467.36 : x - Step 2: Convert to fraction form
7,006,731.36/9,669,284.64 = 3,787,467.36/x - Step 3: Cross multiply
7,006,731.36x = 9,669,284.64 × 3,787,467.36 - Step 4: Simplify right side
7,006,731.36x = 36,622,099,968,549.35 - Step 5: Solve for x
x = 36,622,099,968,549.35/7,006,731.36 - Step 6: Final answer
x = 5,226,702.45
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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.