Finding the Fourth Proportional to 39,395,862.12, 53,972,079.37 and 37,922,640
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Solution
The fourth proportional to 39,395,862.12, 53,972,079.37 and 37,922,640 is: 51,953,774.48
Step by Step Solution
- Step 1: Write the proportion equation
39,395,862.12 : 53,972,079.37 = 37,922,640 : x - Step 2: Convert to fraction form
39,395,862.12/53,972,079.37 = 37,922,640/x - Step 3: Cross multiply
39,395,862.12x = 53,972,079.37 × 37,922,640 - Step 4: Simplify right side
39,395,862.12x = 2,046,763,735,999,936.75 - Step 5: Solve for x
x = 2,046,763,735,999,936.75/39,395,862.12 - Step 6: Final answer
x = 51,953,774.48
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.