Finding the Fourth Proportional to 13,029,777.06, 17,973,621.75 and 8,126,486.45
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Solution
The fourth proportional to 13,029,777.06, 17,973,621.75 and 8,126,486.45 is: 11,209,891.99
Step by Step Solution
- Step 1: Write the proportion equation
13,029,777.06 : 17,973,621.75 = 8,126,486.45 : x - Step 2: Convert to fraction form
13,029,777.06/17,973,621.75 = 8,126,486.45/x - Step 3: Cross multiply
13,029,777.06x = 17,973,621.75 × 8,126,486.45 - Step 4: Simplify right side
13,029,777.06x = 146,062,393,518,932.19 - Step 5: Solve for x
x = 146,062,393,518,932.19/13,029,777.06 - Step 6: Final answer
x = 11,209,891.99
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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.