Finding the Fourth Proportional to 24,586,531.20, 36,879,796.80 and 13,249,123.20
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Solution
The fourth proportional to 24,586,531.20, 36,879,796.80 and 13,249,123.20 is: 19,873,684.80
Step by Step Solution
- Step 1: Write the proportion equation
24,586,531.20 : 36,879,796.80 = 13,249,123.20 : x - Step 2: Convert to fraction form
24,586,531.20/36,879,796.80 = 13,249,123.20/x - Step 3: Cross multiply
24,586,531.20x = 36,879,796.80 × 13,249,123.20 - Step 4: Simplify right side
24,586,531.20x = 488,624,971,394,165.69 - Step 5: Solve for x
x = 488,624,971,394,165.69/24,586,531.20 - Step 6: Final answer
x = 19,873,684.80
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1.5x scale
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.