Finding the Fourth Proportional to 9,881,104.60, 14,821,656.90 and 6,490,817.20
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Solution
The fourth proportional to 9,881,104.60, 14,821,656.90 and 6,490,817.20 is: 9,736,225.80
Step by Step Solution
- Step 1: Write the proportion equation
9,881,104.60 : 14,821,656.90 = 6,490,817.20 : x - Step 2: Convert to fraction form
9,881,104.60/14,821,656.90 = 6,490,817.20/x - Step 3: Cross multiply
9,881,104.60x = 14,821,656.90 × 6,490,817.20 - Step 4: Simplify right side
9,881,104.60x = 96,204,665,539,018.69 - Step 5: Solve for x
x = 96,204,665,539,018.69/9,881,104.60 - Step 6: Final answer
x = 9,736,225.80
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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.