Finding the Fourth Proportional to 7,773,513.16, 10,727,466.90 and 4,335,976.84
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Solution
The fourth proportional to 7,773,513.16, 10,727,466.90 and 4,335,976.84 is: 5,983,658.49
Step by Step Solution
- Step 1: Write the proportion equation
7,773,513.16 : 10,727,466.90 = 4,335,976.84 : x - Step 2: Convert to fraction form
7,773,513.16/10,727,466.90 = 4,335,976.84/x - Step 3: Cross multiply
7,773,513.16x = 10,727,466.90 × 4,335,976.84 - Step 4: Simplify right side
7,773,513.16x = 46,514,048,030,266.59 - Step 5: Solve for x
x = 46,514,048,030,266.59/7,773,513.16 - Step 6: Final answer
x = 5,983,658.49
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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.