Finding the Fourth Proportional to 23,579,663.42, 32,539,602.20 and 13,266,361.91
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Solution
The fourth proportional to 23,579,663.42, 32,539,602.20 and 13,266,361.91 is: 18,307,391.90
Step by Step Solution
- Step 1: Write the proportion equation
23,579,663.42 : 32,539,602.20 = 13,266,361.91 : x - Step 2: Convert to fraction form
23,579,663.42/32,539,602.20 = 13,266,361.91/x - Step 3: Cross multiply
23,579,663.42x = 32,539,602.20 × 13,266,361.91 - Step 4: Simplify right side
23,579,663.42x = 431,682,139,192,632.19 - Step 5: Solve for x
x = 431,682,139,192,632.19/23,579,663.42 - Step 6: Final answer
x = 18,307,391.90
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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.