Finding the Fourth Proportional to 8,858,698.30, 13,288,047.45 and 4,817,122.30
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Solution
The fourth proportional to 8,858,698.30, 13,288,047.45 and 4,817,122.30 is: 7,225,683.45
Step by Step Solution
- Step 1: Write the proportion equation
8,858,698.30 : 13,288,047.45 = 4,817,122.30 : x - Step 2: Convert to fraction form
8,858,698.30/13,288,047.45 = 4,817,122.30/x - Step 3: Cross multiply
8,858,698.30x = 13,288,047.45 × 4,817,122.30 - Step 4: Simplify right side
8,858,698.30x = 64,010,149,694,853.13 - Step 5: Solve for x
x = 64,010,149,694,853.13/8,858,698.30 - Step 6: Final answer
x = 7,225,683.45
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Similar ratio
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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.