Finding the Fourth Proportional to 11,053,980.94, 15,254,554.21 and 6,410,519.09
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Solution
The fourth proportional to 11,053,980.94, 15,254,554.21 and 6,410,519.09 is: 8,846,551.44
Step by Step Solution
- Step 1: Write the proportion equation
11,053,980.94 : 15,254,554.21 = 6,410,519.09 : x - Step 2: Convert to fraction form
11,053,980.94/15,254,554.21 = 6,410,519.09/x - Step 3: Cross multiply
11,053,980.94x = 15,254,554.21 × 6,410,519.09 - Step 4: Simplify right side
11,053,980.94x = 97,789,610,972,644.88 - Step 5: Solve for x
x = 97,789,610,972,644.88/11,053,980.94 - Step 6: Final answer
x = 8,846,551.44
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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.