Finding the Fourth Proportional to 13,972,347.87, 20,957,321.12 and 8,506,023.99
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Solution
The fourth proportional to 13,972,347.87, 20,957,321.12 and 8,506,023.99 is: 12,758,305.03
Step by Step Solution
- Step 1: Write the proportion equation
13,972,347.87 : 20,957,321.12 = 8,506,023.99 : x - Step 2: Convert to fraction form
13,972,347.87/20,957,321.12 = 8,506,023.99/x - Step 3: Cross multiply
13,972,347.87x = 20,957,321.12 × 8,506,023.99 - Step 4: Simplify right side
13,972,347.87x = 178,263,476,170,323.53 - Step 5: Solve for x
x = 178,263,476,170,323.53/13,972,347.87 - Step 6: Final answer
x = 12,758,305.03
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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.