Finding the Fourth Proportional to 7,656,427.68, 10,566,614.76 and 5,719,325.24
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Solution
The fourth proportional to 7,656,427.68, 10,566,614.76 and 5,719,325.24 is: 7,893,225.02
Step by Step Solution
- Step 1: Write the proportion equation
7,656,427.68 : 10,566,614.76 = 5,719,325.24 : x - Step 2: Convert to fraction form
7,656,427.68/10,566,614.76 = 5,719,325.24/x - Step 3: Cross multiply
7,656,427.68x = 10,566,614.76 × 5,719,325.24 - Step 4: Simplify right side
7,656,427.68x = 60,433,906,498,224.55 - Step 5: Solve for x
x = 60,433,906,498,224.55/7,656,427.68 - Step 6: Final answer
x = 7,893,225.02
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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.