Finding the Fourth Proportional to 10,683,134.68, 14,734,588.44 and 9,195,518.92
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Solution
The fourth proportional to 10,683,134.68, 14,734,588.44 and 9,195,518.92 is: 12,682,811.82
Step by Step Solution
- Step 1: Write the proportion equation
10,683,134.68 : 14,734,588.44 = 9,195,518.92 : x - Step 2: Convert to fraction form
10,683,134.68/14,734,588.44 = 9,195,518.92/x - Step 3: Cross multiply
10,683,134.68x = 14,734,588.44 × 9,195,518.92 - Step 4: Simplify right side
10,683,134.68x = 135,492,186,778,433.28 - Step 5: Solve for x
x = 135,492,186,778,433.28/10,683,134.68 - Step 6: Final answer
x = 12,682,811.82
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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.