Finding the Fourth Proportional to 10,756,819.68, 14,843,979.44 and 5,861,937.84
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Solution
The fourth proportional to 10,756,819.68, 14,843,979.44 and 5,861,937.84 is: 8,089,238.95
Step by Step Solution
- Step 1: Write the proportion equation
10,756,819.68 : 14,843,979.44 = 5,861,937.84 : x - Step 2: Convert to fraction form
10,756,819.68/14,843,979.44 = 5,861,937.84/x - Step 3: Cross multiply
10,756,819.68x = 14,843,979.44 × 5,861,937.84 - Step 4: Simplify right side
10,756,819.68x = 87,014,484,775,518 - Step 5: Solve for x
x = 87,014,484,775,518/10,756,819.68 - Step 6: Final answer
x = 8,089,238.95
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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.