Finding the Fourth Proportional to 15,110,538.12, 20,853,281.96 and 8,497,208.08
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Solution
The fourth proportional to 15,110,538.12, 20,853,281.96 and 8,497,208.08 is: 11,726,562.92
Step by Step Solution
- Step 1: Write the proportion equation
15,110,538.12 : 20,853,281.96 = 8,497,208.08 : x - Step 2: Convert to fraction form
15,110,538.12/20,853,281.96 = 8,497,208.08/x - Step 3: Cross multiply
15,110,538.12x = 20,853,281.96 × 8,497,208.08 - Step 4: Simplify right side
15,110,538.12x = 177,194,675,965,030.25 - Step 5: Solve for x
x = 177,194,675,965,030.25/15,110,538.12 - Step 6: Final answer
x = 11,726,562.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.