Finding the Fourth Proportional to 14,212,684.10, 19,613,562.76 and 7,686,313.44
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Solution
The fourth proportional to 14,212,684.10, 19,613,562.76 and 7,686,313.44 is: 10,607,144.29
Step by Step Solution
- Step 1: Write the proportion equation
14,212,684.10 : 19,613,562.76 = 7,686,313.44 : x - Step 2: Convert to fraction form
14,212,684.10/19,613,562.76 = 7,686,313.44/x - Step 3: Cross multiply
14,212,684.10x = 19,613,562.76 × 7,686,313.44 - Step 4: Simplify right side
14,212,684.10x = 150,755,991,048,471.50 - Step 5: Solve for x
x = 150,755,991,048,471.50/14,212,684.10 - Step 6: Final answer
x = 10,607,144.29
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1.5x scale
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.