Finding the Fourth Proportional to 7,290,336.72, 10,053,129.09 and 6,261,251.97
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Solution
The fourth proportional to 7,290,336.72, 10,053,129.09 and 6,261,251.97 is: 8,634,055.84
Step by Step Solution
- Step 1: Write the proportion equation
7,290,336.72 : 10,053,129.09 = 6,261,251.97 : x - Step 2: Convert to fraction form
7,290,336.72/10,053,129.09 = 6,261,251.97/x - Step 3: Cross multiply
7,290,336.72x = 10,053,129.09 × 6,261,251.97 - Step 4: Simplify right side
7,290,336.72x = 62,945,174,319,426.80 - Step 5: Solve for x
x = 62,945,174,319,426.80/7,290,336.72 - Step 6: Final answer
x = 8,634,055.84
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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.