Finding the Fourth Proportional to 11,431,041.54, 15,774,260.97 and 6,785,029.32
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Solution
The fourth proportional to 11,431,041.54, 15,774,260.97 and 6,785,029.32 is: 9,362,998.36
Step by Step Solution
- Step 1: Write the proportion equation
11,431,041.54 : 15,774,260.97 = 6,785,029.32 : x - Step 2: Convert to fraction form
11,431,041.54/15,774,260.97 = 6,785,029.32/x - Step 3: Cross multiply
11,431,041.54x = 15,774,260.97 × 6,785,029.32 - Step 4: Simplify right side
11,431,041.54x = 107,028,823,182,781.66 - Step 5: Solve for x
x = 107,028,823,182,781.66/11,431,041.54 - Step 6: Final answer
x = 9,362,998.36
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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.