Finding the Fourth Proportional to 17,613,663.40, 26,420,495.10 and 14,926,277.80
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Solution
The fourth proportional to 17,613,663.40, 26,420,495.10 and 14,926,277.80 is: 22,389,416.70
Step by Step Solution
- Step 1: Write the proportion equation
17,613,663.40 : 26,420,495.10 = 14,926,277.80 : x - Step 2: Convert to fraction form
17,613,663.40/26,420,495.10 = 14,926,277.80/x - Step 3: Cross multiply
17,613,663.40x = 26,420,495.10 × 14,926,277.80 - Step 4: Simplify right side
17,613,663.40x = 394,359,649,476,138.81 - Step 5: Solve for x
x = 394,359,649,476,138.81/17,613,663.40 - Step 6: Final answer
x = 22,389,416.70
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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.