Finding the Fourth Proportional to 19,842,464.36, 27,381,675.33 and 11,022,487.31
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Solution
The fourth proportional to 19,842,464.36, 27,381,675.33 and 11,022,487.31 is: 15,210,518.38
Step by Step Solution
- Step 1: Write the proportion equation
19,842,464.36 : 27,381,675.33 = 11,022,487.31 : x - Step 2: Convert to fraction form
19,842,464.36/27,381,675.33 = 11,022,487.31/x - Step 3: Cross multiply
19,842,464.36x = 27,381,675.33 × 11,022,487.31 - Step 4: Simplify right side
19,842,464.36x = 301,814,168,919,919.25 - Step 5: Solve for x
x = 301,814,168,919,919.25/19,842,464.36 - Step 6: Final answer
x = 15,210,518.38
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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.