Finding the Fourth Proportional to 12,725,908.26, 17,561,605.74 and 6,924,590.06
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Solution
The fourth proportional to 12,725,908.26, 17,561,605.74 and 6,924,590.06 is: 9,555,853.94
Step by Step Solution
- Step 1: Write the proportion equation
12,725,908.26 : 17,561,605.74 = 6,924,590.06 : x - Step 2: Convert to fraction form
12,725,908.26/17,561,605.74 = 6,924,590.06/x - Step 3: Cross multiply
12,725,908.26x = 17,561,605.74 × 6,924,590.06 - Step 4: Simplify right side
12,725,908.26x = 121,606,920,544,842.92 - Step 5: Solve for x
x = 121,606,920,544,842.92/12,725,908.26 - Step 6: Final answer
x = 9,555,853.94
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1.5x scale
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.