Finding the Fourth Proportional to 5,667,717.90, 8,518,165.65 and 4,937,810.70
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Solution
The fourth proportional to 5,667,717.90, 8,518,165.65 and 4,937,810.70 is: 7,421,168.49
Step by Step Solution
- Step 1: Write the proportion equation
5,667,717.90 : 8,518,165.65 = 4,937,810.70 : x - Step 2: Convert to fraction form
5,667,717.90/8,518,165.65 = 4,937,810.70/x - Step 3: Cross multiply
5,667,717.90x = 8,518,165.65 × 4,937,810.70 - Step 4: Simplify right side
5,667,717.90x = 42,061,089,490,942.46 - Step 5: Solve for x
x = 42,061,089,490,942.46/5,667,717.90 - Step 6: Final answer
x = 7,421,168.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.