Finding the Fourth Proportional to 12,575,439.70, 17,354,202.68 and 6,993,764.32
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Solution
The fourth proportional to 12,575,439.70, 17,354,202.68 and 6,993,764.32 is: 9,651,448.09
Step by Step Solution
- Step 1: Write the proportion equation
12,575,439.70 : 17,354,202.68 = 6,993,764.32 : x - Step 2: Convert to fraction form
12,575,439.70/17,354,202.68 = 6,993,764.32/x - Step 3: Cross multiply
12,575,439.70x = 17,354,202.68 × 6,993,764.32 - Step 4: Simplify right side
12,575,439.70x = 121,371,203,505,432.38 - Step 5: Solve for x
x = 121,371,203,505,432.38/12,575,439.70 - Step 6: Final answer
x = 9,651,448.09
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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.