Finding the Fourth Proportional to 7,512,860.12, 11,266,417.35 and 4,099,322.03
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Solution
The fourth proportional to 7,512,860.12, 11,266,417.35 and 4,099,322.03 is: 6,147,415.51
Step by Step Solution
- Step 1: Write the proportion equation
7,512,860.12 : 11,266,417.35 = 4,099,322.03 : x - Step 2: Convert to fraction form
7,512,860.12/11,266,417.35 = 4,099,322.03/x - Step 3: Cross multiply
7,512,860.12x = 11,266,417.35 × 4,099,322.03 - Step 4: Simplify right side
7,512,860.12x = 46,184,672,785,697.13 - Step 5: Solve for x
x = 46,184,672,785,697.13/7,512,860.12 - Step 6: Final answer
x = 6,147,415.51
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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.