Finding the Fourth Proportional to 11,565,545.82, 15,960,548.32 and 6,408,993.48
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Solution
The fourth proportional to 11,565,545.82, 15,960,548.32 and 6,408,993.48 is: 8,844,463.70
Step by Step Solution
- Step 1: Write the proportion equation
11,565,545.82 : 15,960,548.32 = 6,408,993.48 : x - Step 2: Convert to fraction form
11,565,545.82/15,960,548.32 = 6,408,993.48/x - Step 3: Cross multiply
11,565,545.82x = 15,960,548.32 × 6,408,993.48 - Step 4: Simplify right side
11,565,545.82x = 102,291,050,120,104.97 - Step 5: Solve for x
x = 102,291,050,120,104.97/11,565,545.82 - Step 6: Final answer
x = 8,844,463.70
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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.