Finding the Fourth Proportional to 13,933,437.36, 19,229,092.24 and 7,739,192.40
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Solution
The fourth proportional to 13,933,437.36, 19,229,092.24 and 7,739,192.40 is: 10,680,612.45
Step by Step Solution
- Step 1: Write the proportion equation
13,933,437.36 : 19,229,092.24 = 7,739,192.40 : x - Step 2: Convert to fraction form
13,933,437.36/19,229,092.24 = 7,739,192.40/x - Step 3: Cross multiply
13,933,437.36x = 19,229,092.24 × 7,739,192.40 - Step 4: Simplify right side
13,933,437.36x = 148,817,644,522,706.97 - Step 5: Solve for x
x = 148,817,644,522,706.97/13,933,437.36 - Step 6: Final answer
x = 10,680,612.45
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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.