Finding the Fourth Proportional to 36,637,865.63, 50,557,954.98 and 20,117,874.53
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Solution
The fourth proportional to 36,637,865.63, 50,557,954.98 and 20,117,874.53 is: 27,761,404.15
Step by Step Solution
- Step 1: Write the proportion equation
36,637,865.63 : 50,557,954.98 = 20,117,874.53 : x - Step 2: Convert to fraction form
36,637,865.63/50,557,954.98 = 20,117,874.53/x - Step 3: Cross multiply
36,637,865.63x = 50,557,954.98 × 20,117,874.53 - Step 4: Simplify right side
36,637,865.63x = 1,017,118,594,781,028.62 - Step 5: Solve for x
x = 1,017,118,594,781,028.62/36,637,865.63 - Step 6: Final answer
x = 27,761,404.15
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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.