Finding the Fourth Proportional to 11,565,542.46, 15,960,543.66 and 6,408,990.12
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Solution
The fourth proportional to 11,565,542.46, 15,960,543.66 and 6,408,990.12 is: 8,844,459.05
Step by Step Solution
- Step 1: Write the proportion equation
11,565,542.46 : 15,960,543.66 = 6,408,990.12 : x - Step 2: Convert to fraction form
11,565,542.46/15,960,543.66 = 6,408,990.12/x - Step 3: Cross multiply
11,565,542.46x = 15,960,543.66 × 6,408,990.12 - Step 4: Simplify right side
11,565,542.46x = 102,290,966,626,768.64 - Step 5: Solve for x
x = 102,290,966,626,768.64/11,565,542.46 - Step 6: Final answer
x = 8,844,459.05
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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.