Finding the Fourth Proportional to 40,505,284, 55,897,816.80 and 22,170,175.84
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Solution
The fourth proportional to 40,505,284, 55,897,816.80 and 22,170,175.84 is: 30,595,129.95
Step by Step Solution
- Step 1: Write the proportion equation
40,505,284 : 55,897,816.80 = 22,170,175.84 : x - Step 2: Convert to fraction form
40,505,284/55,897,816.80 = 22,170,175.84/x - Step 3: Cross multiply
40,505,284x = 55,897,816.80 × 22,170,175.84 - Step 4: Simplify right side
40,505,284x = 1,239,264,427,528,106 - Step 5: Solve for x
x = 1,239,264,427,528,106/40,505,284 - Step 6: Final answer
x = 30,595,129.95
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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.