Finding the Fourth Proportional to 14,212,723.99, 19,613,617.80 and 7,686,353.31
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Solution
The fourth proportional to 14,212,723.99, 19,613,617.80 and 7,686,353.31 is: 10,607,199.31
Step by Step Solution
- Step 1: Write the proportion equation
14,212,723.99 : 19,613,617.80 = 7,686,353.31 : x - Step 2: Convert to fraction form
14,212,723.99/19,613,617.80 = 7,686,353.31/x - Step 3: Cross multiply
14,212,723.99x = 19,613,617.80 × 7,686,353.31 - Step 4: Simplify right side
14,212,723.99x = 150,757,196,098,104.91 - Step 5: Solve for x
x = 150,757,196,098,104.91/14,212,723.99 - Step 6: Final answer
x = 10,607,199.31
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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.