Finding the Fourth Proportional to 28,811,729.68, 43,201,639.80 and 11,784,360.08
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Solution
The fourth proportional to 28,811,729.68, 43,201,639.80 and 11,784,360.08 is: 17,670,014.44
Step by Step Solution
- Step 1: Write the proportion equation
28,811,729.68 : 43,201,639.80 = 11,784,360.08 : x - Step 2: Convert to fraction form
28,811,729.68/43,201,639.80 = 11,784,360.08/x - Step 3: Cross multiply
28,811,729.68x = 43,201,639.80 × 11,784,360.08 - Step 4: Simplify right side
28,811,729.68x = 509,103,679,449,659.12 - Step 5: Solve for x
x = 509,103,679,449,659.12/28,811,729.68 - Step 6: Final answer
x = 17,670,014.44
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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.