Finding the Fourth Proportional to 28,905,162.62, 43,381,596.26 and 14,532,315.26
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Solution
The fourth proportional to 28,905,162.62, 43,381,596.26 and 14,532,315.26 is: 21,810,464.85
Step by Step Solution
- Step 1: Write the proportion equation
28,905,162.62 : 43,381,596.26 = 14,532,315.26 : x - Step 2: Convert to fraction form
28,905,162.62/43,381,596.26 = 14,532,315.26/x - Step 3: Cross multiply
28,905,162.62x = 43,381,596.26 × 14,532,315.26 - Step 4: Simplify right side
28,905,162.62x = 630,435,033,332,356.88 - Step 5: Solve for x
x = 630,435,033,332,356.88/28,905,162.62 - Step 6: Final answer
x = 21,810,464.85
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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.