Finding the Fourth Proportional to 9,514,805.56, 13,130,529.80 and 5,163,929.44
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Solution
The fourth proportional to 9,514,805.56, 13,130,529.80 and 5,163,929.44 is: 7,126,275.88
Step by Step Solution
- Step 1: Write the proportion equation
9,514,805.56 : 13,130,529.80 = 5,163,929.44 : x - Step 2: Convert to fraction form
9,514,805.56/13,130,529.80 = 5,163,929.44/x - Step 3: Cross multiply
9,514,805.56x = 13,130,529.80 × 5,163,929.44 - Step 4: Simplify right side
9,514,805.56x = 67,805,129,397,017.32 - Step 5: Solve for x
x = 67,805,129,397,017.32/9,514,805.56 - Step 6: Final answer
x = 7,126,275.88
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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.