Finding the Fourth Proportional to 10,849,316.80, 16,273,975.06 and 8,454,952.76
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Solution
The fourth proportional to 10,849,316.80, 16,273,975.06 and 8,454,952.76 is: 12,682,429.03
Step by Step Solution
- Step 1: Write the proportion equation
10,849,316.80 : 16,273,975.06 = 8,454,952.76 : x - Step 2: Convert to fraction form
10,849,316.80/16,273,975.06 = 8,454,952.76/x - Step 3: Cross multiply
10,849,316.80x = 16,273,975.06 × 8,454,952.76 - Step 4: Simplify right side
10,849,316.80x = 137,595,690,349,718.17 - Step 5: Solve for x
x = 137,595,690,349,718.17/10,849,316.80 - Step 6: Final answer
x = 12,682,429.03
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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.