Finding the Fourth Proportional to 19,842,477.84, 27,381,693.96 and 11,022,500.79
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Solution
The fourth proportional to 19,842,477.84, 27,381,693.96 and 11,022,500.79 is: 15,210,537.00
Step by Step Solution
- Step 1: Write the proportion equation
19,842,477.84 : 27,381,693.96 = 11,022,500.79 : x - Step 2: Convert to fraction form
19,842,477.84/27,381,693.96 = 11,022,500.79/x - Step 3: Cross multiply
19,842,477.84x = 27,381,693.96 × 11,022,500.79 - Step 4: Simplify right side
19,842,477.84x = 301,814,743,305,638.19 - Step 5: Solve for x
x = 301,814,743,305,638.19/19,842,477.84 - Step 6: Final answer
x = 15,210,537.00
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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.