Finding the Fourth Proportional to 7,244,959.20, 10,867,438.80 and 6,523,346.40
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Solution
The fourth proportional to 7,244,959.20, 10,867,438.80 and 6,523,346.40 is: 9,785,019.60
Step by Step Solution
- Step 1: Write the proportion equation
7,244,959.20 : 10,867,438.80 = 6,523,346.40 : x - Step 2: Convert to fraction form
7,244,959.20/10,867,438.80 = 6,523,346.40/x - Step 3: Cross multiply
7,244,959.20x = 10,867,438.80 × 6,523,346.40 - Step 4: Simplify right side
7,244,959.20x = 70,892,067,773,200.33 - Step 5: Solve for x
x = 70,892,067,773,200.33/7,244,959.20 - Step 6: Final answer
x = 9,785,019.60
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Double scale
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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.