Finding the Fourth Proportional to 43,843,219.80, 65,764,829.70 and 11,930,515.80
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Solution
The fourth proportional to 43,843,219.80, 65,764,829.70 and 11,930,515.80 is: 17,895,773.70
Step by Step Solution
- Step 1: Write the proportion equation
43,843,219.80 : 65,764,829.70 = 11,930,515.80 : x - Step 2: Convert to fraction form
43,843,219.80/65,764,829.70 = 11,930,515.80/x - Step 3: Cross multiply
43,843,219.80x = 65,764,829.70 × 11,930,515.80 - Step 4: Simplify right side
43,843,219.80x = 784,608,339,820,159.38 - Step 5: Solve for x
x = 784,608,339,820,159.38/43,843,219.80 - Step 6: Final answer
x = 17,895,773.70
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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.