Finding the Fourth Proportional to 18,723,571.98, 25,838,624.88 and 10,463,772.12
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Solution
The fourth proportional to 18,723,571.98, 25,838,624.88 and 10,463,772.12 is: 14,440,058.92
Step by Step Solution
- Step 1: Write the proportion equation
18,723,571.98 : 25,838,624.88 = 10,463,772.12 : x - Step 2: Convert to fraction form
18,723,571.98/25,838,624.88 = 10,463,772.12/x - Step 3: Cross multiply
18,723,571.98x = 25,838,624.88 × 10,463,772.12 - Step 4: Simplify right side
18,723,571.98x = 270,369,482,638,482.31 - Step 5: Solve for x
x = 270,369,482,638,482.31/18,723,571.98 - Step 6: Final answer
x = 14,440,058.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.