Finding the Fourth Proportional to 8,840,438.39, 12,192,526.64 and 5,215,267.19
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Solution
The fourth proportional to 8,840,438.39, 12,192,526.64 and 5,215,267.19 is: 7,192,774.99
Step by Step Solution
- Step 1: Write the proportion equation
8,840,438.39 : 12,192,526.64 = 5,215,267.19 : x - Step 2: Convert to fraction form
8,840,438.39/12,192,526.64 = 5,215,267.19/x - Step 3: Cross multiply
8,840,438.39x = 12,192,526.64 × 5,215,267.19 - Step 4: Simplify right side
8,840,438.39x = 63,587,284,148,792.95 - Step 5: Solve for x
x = 63,587,284,148,792.95/8,840,438.39 - Step 6: Final answer
x = 7,192,774.99
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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.