Finding the Fourth Proportional to 9,028,192.80, 12,456,495.98 and 5,354,054.68
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Solution
The fourth proportional to 9,028,192.80, 12,456,495.98 and 5,354,054.68 is: 7,387,166.19
Step by Step Solution
- Step 1: Write the proportion equation
9,028,192.80 : 12,456,495.98 = 5,354,054.68 : x - Step 2: Convert to fraction form
9,028,192.80/12,456,495.98 = 5,354,054.68/x - Step 3: Cross multiply
9,028,192.80x = 12,456,495.98 × 5,354,054.68 - Step 4: Simplify right side
9,028,192.80x = 66,692,760,598,120.19 - Step 5: Solve for x
x = 66,692,760,598,120.19/9,028,192.80 - Step 6: Final answer
x = 7,387,166.19
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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.