Finding the Fourth Proportional to 18,005,298.06, 27,009,148.74 and 6,332,268.99
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Solution
The fourth proportional to 18,005,298.06, 27,009,148.74 and 6,332,268.99 is: 9,498,826.09
Step by Step Solution
- Step 1: Write the proportion equation
18,005,298.06 : 27,009,148.74 = 6,332,268.99 : x - Step 2: Convert to fraction form
18,005,298.06/27,009,148.74 = 6,332,268.99/x - Step 3: Cross multiply
18,005,298.06x = 27,009,148.74 × 6,332,268.99 - Step 4: Simplify right side
18,005,298.06x = 171,029,195,012,599.56 - Step 5: Solve for x
x = 171,029,195,012,599.56/18,005,298.06 - Step 6: Final answer
x = 9,498,826.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.