Finding the Fourth Proportional to 13,449,132.12, 20,171,532.84 and 3,862,330.14
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Solution
The fourth proportional to 13,449,132.12, 20,171,532.84 and 3,862,330.14 is: 5,792,873.37
Step by Step Solution
- Step 1: Write the proportion equation
13,449,132.12 : 20,171,532.84 = 3,862,330.14 : x - Step 2: Convert to fraction form
13,449,132.12/20,171,532.84 = 3,862,330.14/x - Step 3: Cross multiply
13,449,132.12x = 20,171,532.84 × 3,862,330.14 - Step 4: Simplify right side
13,449,132.12x = 77,909,119,257,931.80 - Step 5: Solve for x
x = 77,909,119,257,931.80/13,449,132.12 - Step 6: Final answer
x = 5,792,873.37
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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.