Finding the Fourth Proportional to 9,694,881.25, 13,379,534.70 and 5,343,957.74
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Solution
The fourth proportional to 9,694,881.25, 13,379,534.70 and 5,343,957.74 is: 7,374,991.62
Step by Step Solution
- Step 1: Write the proportion equation
9,694,881.25 : 13,379,534.70 = 5,343,957.74 : x - Step 2: Convert to fraction form
9,694,881.25/13,379,534.70 = 5,343,957.74/x - Step 3: Cross multiply
9,694,881.25x = 13,379,534.70 × 5,343,957.74 - Step 4: Simplify right side
9,694,881.25x = 71,499,668,017,663.58 - Step 5: Solve for x
x = 71,499,668,017,663.58/9,694,881.25 - Step 6: Final answer
x = 7,374,991.62
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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.