Finding the Fourth Proportional to 7,953,565.28, 10,977,166.68 and 4,690,738.64
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Solution
The fourth proportional to 7,953,565.28, 10,977,166.68 and 4,690,738.64 is: 6,473,954.52
Step by Step Solution
- Step 1: Write the proportion equation
7,953,565.28 : 10,977,166.68 = 4,690,738.64 : x - Step 2: Convert to fraction form
7,953,565.28/10,977,166.68 = 4,690,738.64/x - Step 3: Cross multiply
7,953,565.28x = 10,977,166.68 × 4,690,738.64 - Step 4: Simplify right side
7,953,565.28x = 51,491,019,903,596.51 - Step 5: Solve for x
x = 51,491,019,903,596.51/7,953,565.28 - Step 6: Final answer
x = 6,473,954.52
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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.