Finding the Fourth Proportional to 40,178,824.47, 55,458,577.94 and 26,242,310.14
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Solution
The fourth proportional to 40,178,824.47, 55,458,577.94 and 26,242,310.14 is: 36,222,095.12
Step by Step Solution
- Step 1: Write the proportion equation
40,178,824.47 : 55,458,577.94 = 26,242,310.14 : x - Step 2: Convert to fraction form
40,178,824.47/55,458,577.94 = 26,242,310.14/x - Step 3: Cross multiply
40,178,824.47x = 55,458,577.94 × 26,242,310.14 - Step 4: Simplify right side
40,178,824.47x = 1,455,361,201,954,984.25 - Step 5: Solve for x
x = 1,455,361,201,954,984.25/40,178,824.47 - Step 6: Final answer
x = 36,222,095.12
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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.