Finding the Fourth Proportional to 13,842,959.11, 20,768,874.68 and 9,692,683.99
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Solution
The fourth proportional to 13,842,959.11, 20,768,874.68 and 9,692,683.99 is: 14,542,132.03
Step by Step Solution
- Step 1: Write the proportion equation
13,842,959.11 : 20,768,874.68 = 9,692,683.99 : x - Step 2: Convert to fraction form
13,842,959.11/20,768,874.68 = 9,692,683.99/x - Step 3: Cross multiply
13,842,959.11x = 20,768,874.68 × 9,692,683.99 - Step 4: Simplify right side
13,842,959.11x = 201,306,139,052,688.97 - Step 5: Solve for x
x = 201,306,139,052,688.97/13,842,959.11 - Step 6: Final answer
x = 14,542,132.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.