Finding the Fourth Proportional to 7,452,840.24, 11,181,623.40 and 2,660,426.64
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Solution
The fourth proportional to 7,452,840.24, 11,181,623.40 and 2,660,426.64 is: 3,991,483.49
Step by Step Solution
- Step 1: Write the proportion equation
7,452,840.24 : 11,181,623.40 = 2,660,426.64 : x - Step 2: Convert to fraction form
7,452,840.24/11,181,623.40 = 2,660,426.64/x - Step 3: Cross multiply
7,452,840.24x = 11,181,623.40 × 2,660,426.64 - Step 4: Simplify right side
7,452,840.24x = 29,747,888,771,807.38 - Step 5: Solve for x
x = 29,747,888,771,807.38/7,452,840.24 - Step 6: Final answer
x = 3,991,483.49
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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.