Finding the Fourth Proportional to 10,287,631.46, 14,190,424.53 and 6,610,227.41
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Solution
The fourth proportional to 10,287,631.46, 14,190,424.53 and 6,610,227.41 is: 9,117,932.88
Step by Step Solution
- Step 1: Write the proportion equation
10,287,631.46 : 14,190,424.53 = 6,610,227.41 : x - Step 2: Convert to fraction form
10,287,631.46/14,190,424.53 = 6,610,227.41/x - Step 3: Cross multiply
10,287,631.46x = 14,190,424.53 × 6,610,227.41 - Step 4: Simplify right side
10,287,631.46x = 93,801,933,198,430.06 - Step 5: Solve for x
x = 93,801,933,198,430.06/10,287,631.46 - Step 6: Final answer
x = 9,117,932.88
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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.