Finding the Fourth Proportional to 6,853,314.80, 10,279,972.20 and 6,265,449.20
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Solution
The fourth proportional to 6,853,314.80, 10,279,972.20 and 6,265,449.20 is: 9,398,173.80
Step by Step Solution
- Step 1: Write the proportion equation
6,853,314.80 : 10,279,972.20 = 6,265,449.20 : x - Step 2: Convert to fraction form
6,853,314.80/10,279,972.20 = 6,265,449.20/x - Step 3: Cross multiply
6,853,314.80x = 10,279,972.20 × 6,265,449.20 - Step 4: Simplify right side
6,853,314.80x = 64,408,643,596,512.23 - Step 5: Solve for x
x = 64,408,643,596,512.23/6,853,314.80 - Step 6: Final answer
x = 9,398,173.80
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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.