Finding the Fourth Proportional to 8,319,085.44, 12,479,071.36 and 2,639,754.24
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Solution
The fourth proportional to 8,319,085.44, 12,479,071.36 and 2,639,754.24 is: 3,959,771.99
Step by Step Solution
- Step 1: Write the proportion equation
8,319,085.44 : 12,479,071.36 = 2,639,754.24 : x - Step 2: Convert to fraction form
8,319,085.44/12,479,071.36 = 2,639,754.24/x - Step 3: Cross multiply
8,319,085.44x = 12,479,071.36 × 2,639,754.24 - Step 4: Simplify right side
8,319,085.44x = 32,941,681,533,822.57 - Step 5: Solve for x
x = 32,941,681,533,822.57/8,319,085.44 - Step 6: Final answer
x = 3,959,771.99
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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.