Finding the Fourth Proportional to 9,190,260.20, 13,786,886.48 and 2,713,990.55
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Solution
The fourth proportional to 9,190,260.20, 13,786,886.48 and 2,713,990.55 is: 4,071,427.66
Step by Step Solution
- Step 1: Write the proportion equation
9,190,260.20 : 13,786,886.48 = 2,713,990.55 : x - Step 2: Convert to fraction form
9,190,260.20/13,786,886.48 = 2,713,990.55/x - Step 3: Cross multiply
9,190,260.20x = 13,786,886.48 × 2,713,990.55 - Step 4: Simplify right side
9,190,260.20x = 37,417,479,538,138.38 - Step 5: Solve for x
x = 37,417,479,538,138.38/9,190,260.20 - Step 6: Final answer
x = 4,071,427.66
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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.