Finding the Fourth Proportional to 7,564,991.43, 10,440,492.49 and 4,626,527.60
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Solution
The fourth proportional to 7,564,991.43, 10,440,492.49 and 4,626,527.60 is: 6,385,099.99
Step by Step Solution
- Step 1: Write the proportion equation
7,564,991.43 : 10,440,492.49 = 4,626,527.60 : x - Step 2: Convert to fraction form
7,564,991.43/10,440,492.49 = 4,626,527.60/x - Step 3: Cross multiply
7,564,991.43x = 10,440,492.49 × 4,626,527.60 - Step 4: Simplify right side
7,564,991.43x = 48,303,226,678,111.61 - Step 5: Solve for x
x = 48,303,226,678,111.61/7,564,991.43 - Step 6: Final answer
x = 6,385,099.99
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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.