Finding the Fourth Proportional to 7,665,833.98, 11,503,864.52 and 3,976,258.19
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Solution
The fourth proportional to 7,665,833.98, 11,503,864.52 and 3,976,258.19 is: 5,967,039.68
Step by Step Solution
- Step 1: Write the proportion equation
7,665,833.98 : 11,503,864.52 = 3,976,258.19 : x - Step 2: Convert to fraction form
7,665,833.98/11,503,864.52 = 3,976,258.19/x - Step 3: Cross multiply
7,665,833.98x = 11,503,864.52 × 3,976,258.19 - Step 4: Simplify right side
7,665,833.98x = 45,742,335,516,520.02 - Step 5: Solve for x
x = 45,742,335,516,520.02/7,665,833.98 - Step 6: Final answer
x = 5,967,039.68
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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.