Finding the Fourth Proportional to 12,070,465.89, 16,657,680.81 and 6,914,823.99
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Solution
The fourth proportional to 12,070,465.89, 16,657,680.81 and 6,914,823.99 is: 9,542,707.96
Step by Step Solution
- Step 1: Write the proportion equation
12,070,465.89 : 16,657,680.81 = 6,914,823.99 : x - Step 2: Convert to fraction form
12,070,465.89/16,657,680.81 = 6,914,823.99/x - Step 3: Cross multiply
12,070,465.89x = 16,657,680.81 × 6,914,823.99 - Step 4: Simplify right side
12,070,465.89x = 115,184,930,882,750.64 - Step 5: Solve for x
x = 115,184,930,882,750.64/12,070,465.89 - Step 6: Final answer
x = 9,542,707.96
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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.