Finding the Fourth Proportional to 38,975,397.49, 53,782,403.92 and 23,291,309.17
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Solution
The fourth proportional to 38,975,397.49, 53,782,403.92 and 23,291,309.17 is: 32,139,828.67
Step by Step Solution
- Step 1: Write the proportion equation
38,975,397.49 : 53,782,403.92 = 23,291,309.17 : x - Step 2: Convert to fraction form
38,975,397.49/53,782,403.92 = 23,291,309.17/x - Step 3: Cross multiply
38,975,397.49x = 53,782,403.92 × 23,291,309.17 - Step 4: Simplify right side
38,975,397.49x = 1,252,662,597,606,540 - Step 5: Solve for x
x = 1,252,662,597,606,540/38,975,397.49 - Step 6: Final answer
x = 32,139,828.67
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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.