Finding the Fourth Proportional to 8,679,616.36, 13,019,965.86 and 2,289,874.84
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Solution
The fourth proportional to 8,679,616.36, 13,019,965.86 and 2,289,874.84 is: 3,434,955.07
Step by Step Solution
- Step 1: Write the proportion equation
8,679,616.36 : 13,019,965.86 = 2,289,874.84 : x - Step 2: Convert to fraction form
8,679,616.36/13,019,965.86 = 2,289,874.84/x - Step 3: Cross multiply
8,679,616.36x = 13,019,965.86 × 2,289,874.84 - Step 4: Simplify right side
8,679,616.36x = 29,814,092,240,472.96 - Step 5: Solve for x
x = 29,814,092,240,472.96/8,679,616.36 - Step 6: Final answer
x = 3,434,955.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.