Finding the Fourth Proportional to 43,743,463.80, 65,615,195.70 and 19,482,343.80
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Solution
The fourth proportional to 43,743,463.80, 65,615,195.70 and 19,482,343.80 is: 29,223,515.70
Step by Step Solution
- Step 1: Write the proportion equation
43,743,463.80 : 65,615,195.70 = 19,482,343.80 : x - Step 2: Convert to fraction form
43,743,463.80/65,615,195.70 = 19,482,343.80/x - Step 3: Cross multiply
43,743,463.80x = 65,615,195.70 × 19,482,343.80 - Step 4: Simplify right side
43,743,463.80x = 1,278,337,801,131,681.75 - Step 5: Solve for x
x = 1,278,337,801,131,681.75/43,743,463.80 - Step 6: Final answer
x = 29,223,515.70
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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.