Finding the Fourth Proportional to 29,181,673.40, 40,275,607.98 and 19,758,190.52
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Solution
The fourth proportional to 29,181,673.40, 40,275,607.98 and 19,758,190.52 is: 27,269,619.70
Step by Step Solution
- Step 1: Write the proportion equation
29,181,673.40 : 40,275,607.98 = 19,758,190.52 : x - Step 2: Convert to fraction form
29,181,673.40/40,275,607.98 = 19,758,190.52/x - Step 3: Cross multiply
29,181,673.40x = 40,275,607.98 × 19,758,190.52 - Step 4: Simplify right side
29,181,673.40x = 795,773,135,777,672.25 - Step 5: Solve for x
x = 795,773,135,777,672.25/29,181,673.40 - Step 6: Final answer
x = 27,269,619.70
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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.