Finding the Fourth Proportional to 38,876,359.56, 58,303,910.36 and 14,613,420.70
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Solution
The fourth proportional to 38,876,359.56, 58,303,910.36 and 14,613,420.70 is: 21,916,135.68
Step by Step Solution
- Step 1: Write the proportion equation
38,876,359.56 : 58,303,910.36 = 14,613,420.70 : x - Step 2: Convert to fraction form
38,876,359.56/58,303,910.36 = 14,613,420.70/x - Step 3: Cross multiply
38,876,359.56x = 58,303,910.36 × 14,613,420.70 - Step 4: Simplify right side
38,876,359.56x = 852,019,570,655,181.88 - Step 5: Solve for x
x = 852,019,570,655,181.88/38,876,359.56 - Step 6: Final answer
x = 21,916,135.68
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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.