Finding the Fourth Proportional to 29,139,442.56, 40,211,377.35 and 16,086,421.74
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Solution
The fourth proportional to 29,139,442.56, 40,211,377.35 and 16,086,421.74 is: 22,198,680.48
Step by Step Solution
- Step 1: Write the proportion equation
29,139,442.56 : 40,211,377.35 = 16,086,421.74 : x - Step 2: Convert to fraction form
29,139,442.56/40,211,377.35 = 16,086,421.74/x - Step 3: Cross multiply
29,139,442.56x = 40,211,377.35 × 16,086,421.74 - Step 4: Simplify right side
29,139,442.56x = 646,857,174,798,383.62 - Step 5: Solve for x
x = 646,857,174,798,383.62/29,139,442.56 - Step 6: Final answer
x = 22,198,680.48
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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.