Finding the Fourth Proportional to 18,629,723.57, 27,942,984.51 and 11,341,291.59
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Solution
The fourth proportional to 18,629,723.57, 27,942,984.51 and 11,341,291.59 is: 17,010,962.84
Step by Step Solution
- Step 1: Write the proportion equation
18,629,723.57 : 27,942,984.51 = 11,341,291.59 : x - Step 2: Convert to fraction form
18,629,723.57/27,942,984.51 = 11,341,291.59/x - Step 3: Cross multiply
18,629,723.57x = 27,942,984.51 × 11,341,291.59 - Step 4: Simplify right side
18,629,723.57x = 316,909,535,222,763.31 - Step 5: Solve for x
x = 316,909,535,222,763.31/18,629,723.57 - Step 6: Final answer
x = 17,010,962.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.