Finding the Fourth Proportional to 10,974,228.52, 15,144,433.36 and 6,079,768.70
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Solution
The fourth proportional to 10,974,228.52, 15,144,433.36 and 6,079,768.70 is: 8,390,079.70
Step by Step Solution
- Step 1: Write the proportion equation
10,974,228.52 : 15,144,433.36 = 6,079,768.70 : x - Step 2: Convert to fraction form
10,974,228.52/15,144,433.36 = 6,079,768.70/x - Step 3: Cross multiply
10,974,228.52x = 15,144,433.36 × 6,079,768.70 - Step 4: Simplify right side
10,974,228.52x = 92,074,651,921,363.83 - Step 5: Solve for x
x = 92,074,651,921,363.83/10,974,228.52 - Step 6: Final answer
x = 8,390,079.70
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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.