Finding the Fourth Proportional to 10,335,930.74, 14,263,765.80 and 5,626,461.64
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Solution
The fourth proportional to 10,335,930.74, 14,263,765.80 and 5,626,461.64 is: 7,764,615.80
Step by Step Solution
- Step 1: Write the proportion equation
10,335,930.74 : 14,263,765.80 = 5,626,461.64 : x - Step 2: Convert to fraction form
10,335,930.74/14,263,765.80 = 5,626,461.64/x - Step 3: Cross multiply
10,335,930.74x = 14,263,765.80 × 5,626,461.64 - Step 4: Simplify right side
10,335,930.74x = 80,254,531,115,643.91 - Step 5: Solve for x
x = 80,254,531,115,643.91/10,335,930.74 - Step 6: Final answer
x = 7,764,615.80
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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.