Finding the Fourth Proportional to 7,018,135.20, 10,527,202.80 and 6,194,401.65
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Solution
The fourth proportional to 7,018,135.20, 10,527,202.80 and 6,194,401.65 is: 9,291,602.48
Step by Step Solution
- Step 1: Write the proportion equation
7,018,135.20 : 10,527,202.80 = 6,194,401.65 : x - Step 2: Convert to fraction form
7,018,135.20/10,527,202.80 = 6,194,401.65/x - Step 3: Cross multiply
7,018,135.20x = 10,527,202.80 × 6,194,401.65 - Step 4: Simplify right side
7,018,135.20x = 65,209,722,394,204.62 - Step 5: Solve for x
x = 65,209,722,394,204.62/7,018,135.20 - Step 6: Final answer
x = 9,291,602.48
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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.