Finding the Fourth Proportional to 7,908,124.68, 11,857,921.63 and 3,587,817.47
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Solution
The fourth proportional to 7,908,124.68, 11,857,921.63 and 3,587,817.47 is: 5,379,791.05
Step by Step Solution
- Step 1: Write the proportion equation
7,908,124.68 : 11,857,921.63 = 3,587,817.47 : x - Step 2: Convert to fraction form
7,908,124.68/11,857,921.63 = 3,587,817.47/x - Step 3: Cross multiply
7,908,124.68x = 11,857,921.63 × 3,587,817.47 - Step 4: Simplify right side
7,908,124.68x = 42,544,058,362,233.13 - Step 5: Solve for x
x = 42,544,058,362,233.13/7,908,124.68 - Step 6: Final answer
x = 5,379,791.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.