Finding the Fourth Proportional to 7,356,232.80, 11,027,782.80 and 2,867,464.80
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Solution
The fourth proportional to 7,356,232.80, 11,027,782.80 and 2,867,464.80 is: 4,298,637.61
Step by Step Solution
- Step 1: Write the proportion equation
7,356,232.80 : 11,027,782.80 = 2,867,464.80 : x - Step 2: Convert to fraction form
7,356,232.80/11,027,782.80 = 2,867,464.80/x - Step 3: Cross multiply
7,356,232.80x = 11,027,782.80 × 2,867,464.80 - Step 4: Simplify right side
7,356,232.80x = 31,621,779,001,045.44 - Step 5: Solve for x
x = 31,621,779,001,045.44/7,356,232.80 - Step 6: Final answer
x = 4,298,637.61
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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.