Finding the Fourth Proportional to 7,889,132.42, 10,887,172.68 and 4,356,918.04
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Solution
The fourth proportional to 7,889,132.42, 10,887,172.68 and 4,356,918.04 is: 6,012,640.75
Step by Step Solution
- Step 1: Write the proportion equation
7,889,132.42 : 10,887,172.68 = 4,356,918.04 : x - Step 2: Convert to fraction form
7,889,132.42/10,887,172.68 = 4,356,918.04/x - Step 3: Cross multiply
7,889,132.42x = 10,887,172.68 × 4,356,918.04 - Step 4: Simplify right side
7,889,132.42x = 47,434,519,054,087.15 - Step 5: Solve for x
x = 47,434,519,054,087.15/7,889,132.42 - Step 6: Final answer
x = 6,012,640.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.