Finding the Fourth Proportional to 13,542,930.99, 20,310,128.91 and 4,442,908.05
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Solution
The fourth proportional to 13,542,930.99, 20,310,128.91 and 4,442,908.05 is: 6,662,962.05
Step by Step Solution
- Step 1: Write the proportion equation
13,542,930.99 : 20,310,128.91 = 4,442,908.05 : x - Step 2: Convert to fraction form
13,542,930.99/20,310,128.91 = 4,442,908.05/x - Step 3: Cross multiply
13,542,930.99x = 20,310,128.91 × 4,442,908.05 - Step 4: Simplify right side
13,542,930.99x = 90,236,035,230,776.72 - Step 5: Solve for x
x = 90,236,035,230,776.72/13,542,930.99 - Step 6: Final answer
x = 6,662,962.05
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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.