Finding the Fourth Proportional to 11,565,542.96, 15,960,544.35 and 6,408,990.62
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Solution
The fourth proportional to 11,565,542.96, 15,960,544.35 and 6,408,990.62 is: 8,844,459.74
Step by Step Solution
- Step 1: Write the proportion equation
11,565,542.96 : 15,960,544.35 = 6,408,990.62 : x - Step 2: Convert to fraction form
11,565,542.96/15,960,544.35 = 6,408,990.62/x - Step 3: Cross multiply
11,565,542.96x = 15,960,544.35 × 6,408,990.62 - Step 4: Simplify right side
11,565,542.96x = 102,290,979,029,244 - Step 5: Solve for x
x = 102,290,979,029,244/11,565,542.96 - Step 6: Final answer
x = 8,844,459.74
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1.5x scale
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.