Finding the Fourth Proportional to 19,943,587.80, 27,517,464.79 and 12,102,922.46
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Solution
The fourth proportional to 19,943,587.80, 27,517,464.79 and 12,102,922.46 is: 16,699,189.03
Step by Step Solution
- Step 1: Write the proportion equation
19,943,587.80 : 27,517,464.79 = 12,102,922.46 : x - Step 2: Convert to fraction form
19,943,587.80/27,517,464.79 = 12,102,922.46/x - Step 3: Cross multiply
19,943,587.80x = 27,517,464.79 × 12,102,922.46 - Step 4: Simplify right side
19,943,587.80x = 333,041,742,687,686.56 - Step 5: Solve for x
x = 333,041,742,687,686.56/19,943,587.80 - Step 6: Final answer
x = 16,699,189.03
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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.