Finding the Fourth Proportional to 13,204,872.40, 18,449,030 and 13,204,872.40
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Solution
The fourth proportional to 13,204,872.40, 18,449,030 and 13,204,872.40 is: 18,449,030
Step by Step Solution
- Step 1: Write the proportion equation
13,204,872.40 : 18,449,030 = 13,204,872.40 : x - Step 2: Convert to fraction form
13,204,872.40/18,449,030 = 13,204,872.40/x - Step 3: Cross multiply
13,204,872.40x = 18,449,030 × 13,204,872.40 - Step 4: Simplify right side
13,204,872.40x = 243,617,087,053,772 - Step 5: Solve for x
x = 243,617,087,053,772/13,204,872.40 - Step 6: Final answer
x = 18,449,030
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.