Finding the Fourth Proportional to 18,101,677.12, 24,980,804.27 and 9,842,293.93
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Solution
The fourth proportional to 18,101,677.12, 24,980,804.27 and 9,842,293.93 is: 13,582,631.96
Step by Step Solution
- Step 1: Write the proportion equation
18,101,677.12 : 24,980,804.27 = 9,842,293.93 : x - Step 2: Convert to fraction form
18,101,677.12/24,980,804.27 = 9,842,293.93/x - Step 3: Cross multiply
18,101,677.12x = 24,980,804.27 × 9,842,293.93 - Step 4: Simplify right side
18,101,677.12x = 245,868,418,233,139.06 - Step 5: Solve for x
x = 245,868,418,233,139.06/18,101,677.12 - Step 6: Final answer
x = 13,582,631.96
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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.