Finding the Fourth Proportional to 7,776,266.70, 11,664,400.05 and 7,461,338.70
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Solution
The fourth proportional to 7,776,266.70, 11,664,400.05 and 7,461,338.70 is: 11,192,008.05
Step by Step Solution
- Step 1: Write the proportion equation
7,776,266.70 : 11,664,400.05 = 7,461,338.70 : x - Step 2: Convert to fraction form
7,776,266.70/11,664,400.05 = 7,461,338.70/x - Step 3: Cross multiply
7,776,266.70x = 11,664,400.05 × 7,461,338.70 - Step 4: Simplify right side
7,776,266.70x = 87,032,039,505,346.94 - Step 5: Solve for x
x = 87,032,039,505,346.94/7,776,266.70 - Step 6: Final answer
x = 11,192,008.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.