Finding the Fourth Proportional to 15,337,202.16, 21,166,603.74 and 8,723,861.88
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Solution
The fourth proportional to 15,337,202.16, 21,166,603.74 and 8,723,861.88 is: 12,039,648.79
Step by Step Solution
- Step 1: Write the proportion equation
15,337,202.16 : 21,166,603.74 = 8,723,861.88 : x - Step 2: Convert to fraction form
15,337,202.16/21,166,603.74 = 8,723,861.88/x - Step 3: Cross multiply
15,337,202.16x = 21,166,603.74 × 8,723,861.88 - Step 4: Simplify right side
15,337,202.16x = 184,654,527,496,451.44 - Step 5: Solve for x
x = 184,654,527,496,451.44/15,337,202.16 - Step 6: Final answer
x = 12,039,648.79
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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.