Finding the Fourth Proportional to 29,135,708.64, 40,208,229.55 and 15,905,591.00
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Solution
The fourth proportional to 29,135,708.64, 40,208,229.55 and 15,905,591.00 is: 21,950,235.09
Step by Step Solution
- Step 1: Write the proportion equation
29,135,708.64 : 40,208,229.55 = 15,905,591.00 : x - Step 2: Convert to fraction form
29,135,708.64/40,208,229.55 = 15,905,591.00/x - Step 3: Cross multiply
29,135,708.64x = 40,208,229.55 × 15,905,591.00 - Step 4: Simplify right side
29,135,708.64x = 639,535,654,026,035.75 - Step 5: Solve for x
x = 639,535,654,026,035.75/29,135,708.64 - Step 6: Final answer
x = 21,950,235.09
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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.