Finding the Fourth Proportional to 39,203,322.71, 54,100,630.28 and 21,799,294.26
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Solution
The fourth proportional to 39,203,322.71, 54,100,630.28 and 21,799,294.26 is: 30,083,051.07
Step by Step Solution
- Step 1: Write the proportion equation
39,203,322.71 : 54,100,630.28 = 21,799,294.26 : x - Step 2: Convert to fraction form
39,203,322.71/54,100,630.28 = 21,799,294.26/x - Step 3: Cross multiply
39,203,322.71x = 54,100,630.28 × 21,799,294.26 - Step 4: Simplify right side
39,203,322.71x = 1,179,355,558,976,807 - Step 5: Solve for x
x = 1,179,355,558,976,807/39,203,322.71 - Step 6: Final answer
x = 30,083,051.07
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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.