Finding the Fourth Proportional to 8,903,402.06, 12,286,695.66 and 5,035,839.98
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Solution
The fourth proportional to 8,903,402.06, 12,286,695.66 and 5,035,839.98 is: 6,949,459.63
Step by Step Solution
- Step 1: Write the proportion equation
8,903,402.06 : 12,286,695.66 = 5,035,839.98 : x - Step 2: Convert to fraction form
8,903,402.06/12,286,695.66 = 5,035,839.98/x - Step 3: Cross multiply
8,903,402.06x = 12,286,695.66 × 5,035,839.98 - Step 4: Simplify right side
8,903,402.06x = 61,873,833,226,720.49 - Step 5: Solve for x
x = 61,873,833,226,720.49/8,903,402.06 - Step 6: Final answer
x = 6,949,459.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.