Finding the Fourth Proportional to 7,716,420.05, 10,646,235.81 and 4,452,806.12
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Solution
The fourth proportional to 7,716,420.05, 10,646,235.81 and 4,452,806.12 is: 6,143,473.74
Step by Step Solution
- Step 1: Write the proportion equation
7,716,420.05 : 10,646,235.81 = 4,452,806.12 : x - Step 2: Convert to fraction form
7,716,420.05/10,646,235.81 = 4,452,806.12/x - Step 3: Cross multiply
7,716,420.05x = 10,646,235.81 × 4,452,806.12 - Step 4: Simplify right side
7,716,420.05x = 47,405,623,916,499.98 - Step 5: Solve for x
x = 47,405,623,916,499.98/7,716,420.05 - Step 6: Final answer
x = 6,143,473.74
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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.