Finding the Fourth Proportional to 29,605,138.80, 44,385,201.52 and 20,482,986.84
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Solution
The fourth proportional to 29,605,138.80, 44,385,201.52 and 20,482,986.84 is: 30,708,908.50
Step by Step Solution
- Step 1: Write the proportion equation
29,605,138.80 : 44,385,201.52 = 20,482,986.84 : x - Step 2: Convert to fraction form
29,605,138.80/44,385,201.52 = 20,482,986.84/x - Step 3: Cross multiply
29,605,138.80x = 44,385,201.52 × 20,482,986.84 - Step 4: Simplify right side
29,605,138.80x = 909,141,498,624,908 - Step 5: Solve for x
x = 909,141,498,624,908/29,605,138.80 - Step 6: Final answer
x = 30,708,908.50
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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.