Finding the Fourth Proportional to 7,686,325.56, 10,608,183.99 and 4,423,073.70
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Solution
The fourth proportional to 7,686,325.56, 10,608,183.99 and 4,423,073.70 is: 6,104,448.64
Step by Step Solution
- Step 1: Write the proportion equation
7,686,325.56 : 10,608,183.99 = 4,423,073.70 : x - Step 2: Convert to fraction form
7,686,325.56/10,608,183.99 = 4,423,073.70/x - Step 3: Cross multiply
7,686,325.56x = 10,608,183.99 × 4,423,073.70 - Step 4: Simplify right side
7,686,325.56x = 46,920,779,610,930.06 - Step 5: Solve for x
x = 46,920,779,610,930.06/7,686,325.56 - Step 6: Final answer
x = 6,104,448.64
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1.5x scale
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.