Finding the Fourth Proportional to 13,805,742.96, 20,708,614.44 and 4,221,121.68
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Solution
The fourth proportional to 13,805,742.96, 20,708,614.44 and 4,221,121.68 is: 6,331,682.52
Step by Step Solution
- Step 1: Write the proportion equation
13,805,742.96 : 20,708,614.44 = 4,221,121.68 : x - Step 2: Convert to fraction form
13,805,742.96/20,708,614.44 = 4,221,121.68/x - Step 3: Cross multiply
13,805,742.96x = 20,708,614.44 × 4,221,121.68 - Step 4: Simplify right side
13,805,742.96x = 87,413,581,375,445.06 - Step 5: Solve for x
x = 87,413,581,375,445.06/13,805,742.96 - Step 6: Final answer
x = 6,331,682.52
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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.