Finding the Fourth Proportional to 13,771,272.48, 19,004,355.68 and 7,576,186.14
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Solution
The fourth proportional to 13,771,272.48, 19,004,355.68 and 7,576,186.14 is: 10,455,136.68
Step by Step Solution
- Step 1: Write the proportion equation
13,771,272.48 : 19,004,355.68 = 7,576,186.14 : x - Step 2: Convert to fraction form
13,771,272.48/19,004,355.68 = 7,576,186.14/x - Step 3: Cross multiply
13,771,272.48x = 19,004,355.68 × 7,576,186.14 - Step 4: Simplify right side
13,771,272.48x = 143,980,536,102,446.28 - Step 5: Solve for x
x = 143,980,536,102,446.28/13,771,272.48 - Step 6: Final answer
x = 10,455,136.68
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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.