Finding the Fourth Proportional to 18,349,769.44, 25,326,534.98 and 11,639,761.84
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Solution
The fourth proportional to 18,349,769.44, 25,326,534.98 and 11,639,761.84 is: 16,065,315.50
Step by Step Solution
- Step 1: Write the proportion equation
18,349,769.44 : 25,326,534.98 = 11,639,761.84 : x - Step 2: Convert to fraction form
18,349,769.44/25,326,534.98 = 11,639,761.84/x - Step 3: Cross multiply
18,349,769.44x = 25,326,534.98 × 11,639,761.84 - Step 4: Simplify right side
18,349,769.44x = 294,794,835,341,430.38 - Step 5: Solve for x
x = 294,794,835,341,430.38/18,349,769.44 - Step 6: Final answer
x = 16,065,315.50
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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.