Finding the Fourth Proportional to 28,790,212.91, 43,185,319.36 and 9,620,969.96
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Solution
The fourth proportional to 28,790,212.91, 43,185,319.36 and 9,620,969.96 is: 14,431,454.94
Step by Step Solution
- Step 1: Write the proportion equation
28,790,212.91 : 43,185,319.36 = 9,620,969.96 : x - Step 2: Convert to fraction form
28,790,212.91/43,185,319.36 = 9,620,969.96/x - Step 3: Cross multiply
28,790,212.91x = 43,185,319.36 × 9,620,969.96 - Step 4: Simplify right side
28,790,212.91x = 415,484,660,359,477.31 - Step 5: Solve for x
x = 415,484,660,359,477.31/28,790,212.91 - Step 6: Final answer
x = 14,431,454.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.