Finding the Fourth Proportional to 7,356,330.18, 11,028,997.67 and 5,075,345.75
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Solution
The fourth proportional to 7,356,330.18, 11,028,997.67 and 5,075,345.75 is: 7,609,225.66
Step by Step Solution
- Step 1: Write the proportion equation
7,356,330.18 : 11,028,997.67 = 5,075,345.75 : x - Step 2: Convert to fraction form
7,356,330.18/11,028,997.67 = 5,075,345.75/x - Step 3: Cross multiply
7,356,330.18x = 11,028,997.67 × 5,075,345.75 - Step 4: Simplify right side
7,356,330.18x = 55,975,976,370,672.68 - Step 5: Solve for x
x = 55,975,976,370,672.68/7,356,330.18 - Step 6: Final answer
x = 7,609,225.66
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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.