Finding the Fourth Proportional to 11,939,136.84, 16,473,991.70 and 6,711,448.68
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Solution
The fourth proportional to 11,939,136.84, 16,473,991.70 and 6,711,448.68 is: 9,260,665.27
Step by Step Solution
- Step 1: Write the proportion equation
11,939,136.84 : 16,473,991.70 = 6,711,448.68 : x - Step 2: Convert to fraction form
11,939,136.84/16,473,991.70 = 6,711,448.68/x - Step 3: Cross multiply
11,939,136.84x = 16,473,991.70 × 6,711,448.68 - Step 4: Simplify right side
11,939,136.84x = 110,564,349,849,295.95 - Step 5: Solve for x
x = 110,564,349,849,295.95/11,939,136.84 - Step 6: Final answer
x = 9,260,665.27
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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.