Finding the Fourth Proportional to 48,649,965.36, 67,135,901.40 and 26,623,369.68
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Solution
The fourth proportional to 48,649,965.36, 67,135,901.40 and 26,623,369.68 is: 36,739,675.12
Step by Step Solution
- Step 1: Write the proportion equation
48,649,965.36 : 67,135,901.40 = 26,623,369.68 : x - Step 2: Convert to fraction form
48,649,965.36/67,135,901.40 = 26,623,369.68/x - Step 3: Cross multiply
48,649,965.36x = 67,135,901.40 × 26,623,369.68 - Step 4: Simplify right side
48,649,965.36x = 1,787,383,921,772,229.75 - Step 5: Solve for x
x = 1,787,383,921,772,229.75/48,649,965.36 - Step 6: Final answer
x = 36,739,675.12
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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.