Finding the Fourth Proportional to 14,000,374.36, 19,324,786.50 and 8,121,494.20
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Solution
The fourth proportional to 14,000,374.36, 19,324,786.50 and 8,121,494.20 is: 11,210,138.92
Step by Step Solution
- Step 1: Write the proportion equation
14,000,374.36 : 19,324,786.50 = 8,121,494.20 : x - Step 2: Convert to fraction form
14,000,374.36/19,324,786.50 = 8,121,494.20/x - Step 3: Cross multiply
14,000,374.36x = 19,324,786.50 × 8,121,494.20 - Step 4: Simplify right side
14,000,374.36x = 156,946,141,475,988.31 - Step 5: Solve for x
x = 156,946,141,475,988.31/14,000,374.36 - Step 6: Final answer
x = 11,210,138.92
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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.