Finding the Fourth Proportional to 29,329,441.20, 44,009,908.20 and 12,291,836.40
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Solution
The fourth proportional to 29,329,441.20, 44,009,908.20 and 12,291,836.40 is: 18,444,353.85
Step by Step Solution
- Step 1: Write the proportion equation
29,329,441.20 : 44,009,908.20 = 12,291,836.40 : x - Step 2: Convert to fraction form
29,329,441.20/44,009,908.20 = 12,291,836.40/x - Step 3: Cross multiply
29,329,441.20x = 44,009,908.20 × 12,291,836.40 - Step 4: Simplify right side
29,329,441.20x = 540,962,591,573,418.56 - Step 5: Solve for x
x = 540,962,591,573,418.56/29,329,441.20 - Step 6: Final answer
x = 18,444,353.85
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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.