Finding the Fourth Proportional to 7,516,744.74, 10,373,135.94 and 4,078,986.48
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Solution
The fourth proportional to 7,516,744.74, 10,373,135.94 and 4,078,986.48 is: 5,629,016.64
Step by Step Solution
- Step 1: Write the proportion equation
7,516,744.74 : 10,373,135.94 = 4,078,986.48 : x - Step 2: Convert to fraction form
7,516,744.74/10,373,135.94 = 4,078,986.48/x - Step 3: Cross multiply
7,516,744.74x = 10,373,135.94 × 4,078,986.48 - Step 4: Simplify right side
7,516,744.74x = 42,311,881,254,462.09 - Step 5: Solve for x
x = 42,311,881,254,462.09/7,516,744.74 - Step 6: Final answer
x = 5,629,016.64
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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.