Finding the Fourth Proportional to 19,281,999.17, 26,609,618.71 and 11,022,829.92
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Solution
The fourth proportional to 19,281,999.17, 26,609,618.71 and 11,022,829.92 is: 15,211,768.17
Step by Step Solution
- Step 1: Write the proportion equation
19,281,999.17 : 26,609,618.71 = 11,022,829.92 : x - Step 2: Convert to fraction form
19,281,999.17/26,609,618.71 = 11,022,829.92/x - Step 3: Cross multiply
19,281,999.17x = 26,609,618.71 × 11,022,829.92 - Step 4: Simplify right side
19,281,999.17x = 293,313,301,290,158.31 - Step 5: Solve for x
x = 293,313,301,290,158.31/19,281,999.17 - Step 6: Final answer
x = 15,211,768.17
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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.