Finding the Fourth Proportional to 7,627,560.49, 10,526,110.96 and 4,142,933.08
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Solution
The fourth proportional to 7,627,560.49, 10,526,110.96 and 4,142,933.08 is: 5,717,289.74
Step by Step Solution
- Step 1: Write the proportion equation
7,627,560.49 : 10,526,110.96 = 4,142,933.08 : x - Step 2: Convert to fraction form
7,627,560.49/10,526,110.96 = 4,142,933.08/x - Step 3: Cross multiply
7,627,560.49x = 10,526,110.96 × 4,142,933.08 - Step 4: Simplify right side
7,627,560.49x = 43,608,973,356,695.21 - Step 5: Solve for x
x = 43,608,973,356,695.21/7,627,560.49 - Step 6: Final answer
x = 5,717,289.74
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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.