Finding the Fourth Proportional to 43,843,727.80, 65,765,591.70 and 13,554,652.60
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Solution
The fourth proportional to 43,843,727.80, 65,765,591.70 and 13,554,652.60 is: 20,331,978.90
Step by Step Solution
- Step 1: Write the proportion equation
43,843,727.80 : 65,765,591.70 = 13,554,652.60 : x - Step 2: Convert to fraction form
43,843,727.80/65,765,591.70 = 13,554,652.60/x - Step 3: Cross multiply
43,843,727.80x = 65,765,591.70 × 13,554,652.60 - Step 4: Simplify right side
43,843,727.80x = 891,429,748,526,943.38 - Step 5: Solve for x
x = 891,429,748,526,943.38/43,843,727.80 - Step 6: Final answer
x = 20,331,978.90
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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.