Finding the Fourth Proportional to 7,645,614.99, 10,551,023.19 and 4,207,935.30
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Solution
The fourth proportional to 7,645,614.99, 10,551,023.19 and 4,207,935.30 is: 5,806,991.72
Step by Step Solution
- Step 1: Write the proportion equation
7,645,614.99 : 10,551,023.19 = 4,207,935.30 : x - Step 2: Convert to fraction form
7,645,614.99/10,551,023.19 = 4,207,935.30/x - Step 3: Cross multiply
7,645,614.99x = 10,551,023.19 × 4,207,935.30 - Step 4: Simplify right side
7,645,614.99x = 44,398,022,932,319.60 - Step 5: Solve for x
x = 44,398,022,932,319.60/7,645,614.99 - Step 6: Final answer
x = 5,806,991.72
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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.