Finding the Fourth Proportional to 22,409,694.84, 30,924,958.90 and 13,707,228.18
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Solution
The fourth proportional to 22,409,694.84, 30,924,958.90 and 13,707,228.18 is: 18,915,718.00
Step by Step Solution
- Step 1: Write the proportion equation
22,409,694.84 : 30,924,958.90 = 13,707,228.18 : x - Step 2: Convert to fraction form
22,409,694.84/30,924,958.90 = 13,707,228.18/x - Step 3: Cross multiply
22,409,694.84x = 30,924,958.90 × 13,707,228.18 - Step 4: Simplify right side
22,409,694.84x = 423,895,468,099,421.75 - Step 5: Solve for x
x = 423,895,468,099,421.75/22,409,694.84 - Step 6: Final answer
x = 18,915,718.00
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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.