Finding the Fourth Proportional to 39,627,963.06, 54,686,985.14 and 22,223,934.60
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Solution
The fourth proportional to 39,627,963.06, 54,686,985.14 and 22,223,934.60 is: 30,669,251.90
Step by Step Solution
- Step 1: Write the proportion equation
39,627,963.06 : 54,686,985.14 = 22,223,934.60 : x - Step 2: Convert to fraction form
39,627,963.06/54,686,985.14 = 22,223,934.60/x - Step 3: Cross multiply
39,627,963.06x = 54,686,985.14 × 22,223,934.60 - Step 4: Simplify right side
39,627,963.06x = 1,215,359,981,222,532 - Step 5: Solve for x
x = 1,215,359,981,222,532/39,627,963.06 - Step 6: Final answer
x = 30,669,251.90
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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.