Finding the Fourth Proportional to 38,967,555.20, 58,459,627.20 and 12,043,932.80
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Solution
The fourth proportional to 38,967,555.20, 58,459,627.20 and 12,043,932.80 is: 18,068,462.80
Step by Step Solution
- Step 1: Write the proportion equation
38,967,555.20 : 58,459,627.20 = 12,043,932.80 : x - Step 2: Convert to fraction form
38,967,555.20/58,459,627.20 = 12,043,932.80/x - Step 3: Cross multiply
38,967,555.20x = 58,459,627.20 × 12,043,932.80 - Step 4: Simplify right side
38,967,555.20x = 704,083,821,509,852.25 - Step 5: Solve for x
x = 704,083,821,509,852.25/38,967,555.20 - Step 6: Final answer
x = 18,068,462.80
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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.