Finding the Fourth Proportional to 19,892,370.56, 27,451,430.88 and 11,190,549.44
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Solution
The fourth proportional to 19,892,370.56, 27,451,430.88 and 11,190,549.44 is: 15,442,935.45
Step by Step Solution
- Step 1: Write the proportion equation
19,892,370.56 : 27,451,430.88 = 11,190,549.44 : x - Step 2: Convert to fraction form
19,892,370.56/27,451,430.88 = 11,190,549.44/x - Step 3: Cross multiply
19,892,370.56x = 27,451,430.88 × 11,190,549.44 - Step 4: Simplify right side
19,892,370.56x = 307,196,594,461,382.69 - Step 5: Solve for x
x = 307,196,594,461,382.69/19,892,370.56 - Step 6: Final answer
x = 15,442,935.45
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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.