Finding the Fourth Proportional to 22,894,343.20, 31,587,303.84 and 13,723,639.84
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Solution
The fourth proportional to 22,894,343.20, 31,587,303.84 and 13,723,639.84 is: 18,934,493.02
Step by Step Solution
- Step 1: Write the proportion equation
22,894,343.20 : 31,587,303.84 = 13,723,639.84 : x - Step 2: Convert to fraction form
22,894,343.20/31,587,303.84 = 13,723,639.84/x - Step 3: Cross multiply
22,894,343.20x = 31,587,303.84 × 13,723,639.84 - Step 4: Simplify right side
22,894,343.20x = 433,492,781,416,809 - Step 5: Solve for x
x = 433,492,781,416,809/22,894,343.20 - Step 6: Final answer
x = 18,934,493.02
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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.