Finding the Fourth Proportional to 7,419,745.96, 10,248,854.34 and 6,135,772.84
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Solution
The fourth proportional to 7,419,745.96, 10,248,854.34 and 6,135,772.84 is: 8,475,309.32
Step by Step Solution
- Step 1: Write the proportion equation
7,419,745.96 : 10,248,854.34 = 6,135,772.84 : x - Step 2: Convert to fraction form
7,419,745.96/10,248,854.34 = 6,135,772.84/x - Step 3: Cross multiply
7,419,745.96x = 10,248,854.34 × 6,135,772.84 - Step 4: Simplify right side
7,419,745.96x = 62,884,642,100,488.12 - Step 5: Solve for x
x = 62,884,642,100,488.12/7,419,745.96 - Step 6: Final answer
x = 8,475,309.32
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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.