Finding the Fourth Proportional to 39,192,496.19, 54,085,855.04 and 21,552,536.23
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Solution
The fourth proportional to 39,192,496.19, 54,085,855.04 and 21,552,536.23 is: 29,742,615.64
Step by Step Solution
- Step 1: Write the proportion equation
39,192,496.19 : 54,085,855.04 = 21,552,536.23 : x - Step 2: Convert to fraction form
39,192,496.19/54,085,855.04 = 21,552,536.23/x - Step 3: Cross multiply
39,192,496.19x = 54,085,855.04 × 21,552,536.23 - Step 4: Simplify right side
39,192,496.19x = 1,165,687,350,280,128 - Step 5: Solve for x
x = 1,165,687,350,280,128/39,192,496.19 - Step 6: Final answer
x = 29,742,615.64
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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.