Finding the Fourth Proportional to 7,219,263.44, 9,962,585.16 and 4,318,775.12
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Solution
The fourth proportional to 7,219,263.44, 9,962,585.16 and 4,318,775.12 is: 5,959,910.63
Step by Step Solution
- Step 1: Write the proportion equation
7,219,263.44 : 9,962,585.16 = 4,318,775.12 : x - Step 2: Convert to fraction form
7,219,263.44/9,962,585.16 = 4,318,775.12/x - Step 3: Cross multiply
7,219,263.44x = 9,962,585.16 × 4,318,775.12 - Step 4: Simplify right side
7,219,263.44x = 43,026,164,919,889.22 - Step 5: Solve for x
x = 43,026,164,919,889.22/7,219,263.44 - Step 6: Final answer
x = 5,959,910.63
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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.