Finding the Fourth Proportional to 8,675,219.48, 13,015,548.99 and 5,220,729.05
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Solution
The fourth proportional to 8,675,219.48, 13,015,548.99 and 5,220,729.05 is: 7,832,730.32
Step by Step Solution
- Step 1: Write the proportion equation
8,675,219.48 : 13,015,548.99 = 5,220,729.05 : x - Step 2: Convert to fraction form
8,675,219.48/13,015,548.99 = 5,220,729.05/x - Step 3: Cross multiply
8,675,219.48x = 13,015,548.99 × 5,220,729.05 - Step 4: Simplify right side
8,675,219.48x = 67,950,654,648,713.41 - Step 5: Solve for x
x = 67,950,654,648,713.41/8,675,219.48 - Step 6: Final answer
x = 7,832,730.32
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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.