Finding the Fourth Proportional to 10,145,670, 14,002,520.28 and 6,424,840.44
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Solution
The fourth proportional to 10,145,670, 14,002,520.28 and 6,424,840.44 is: 8,867,226.96
Step by Step Solution
- Step 1: Write the proportion equation
10,145,670 : 14,002,520.28 = 6,424,840.44 : x - Step 2: Convert to fraction form
10,145,670/14,002,520.28 = 6,424,840.44/x - Step 3: Cross multiply
10,145,670x = 14,002,520.28 × 6,424,840.44 - Step 4: Simplify right side
10,145,670x = 89,963,958,556,864.12 - Step 5: Solve for x
x = 89,963,958,556,864.12/10,145,670 - Step 6: Final answer
x = 8,867,226.96
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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.