Finding the Fourth Proportional to 13,004,349.16, 19,492,444.16 and 8,458,646.44
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Solution
The fourth proportional to 13,004,349.16, 19,492,444.16 and 8,458,646.44 is: 12,678,811.63
Step by Step Solution
- Step 1: Write the proportion equation
13,004,349.16 : 19,492,444.16 = 8,458,646.44 : x - Step 2: Convert to fraction form
13,004,349.16/19,492,444.16 = 8,458,646.44/x - Step 3: Cross multiply
13,004,349.16x = 19,492,444.16 × 8,458,646.44 - Step 4: Simplify right side
13,004,349.16x = 164,879,693,400,882.78 - Step 5: Solve for x
x = 164,879,693,400,882.78/13,004,349.16 - Step 6: Final answer
x = 12,678,811.63
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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.