Finding the Fourth Proportional to 21,532,976.04, 29,710,399.08 and 12,239,814.84
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Solution
The fourth proportional to 21,532,976.04, 29,710,399.08 and 12,239,814.84 is: 16,888,041.06
Step by Step Solution
- Step 1: Write the proportion equation
21,532,976.04 : 29,710,399.08 = 12,239,814.84 : x - Step 2: Convert to fraction form
21,532,976.04/29,710,399.08 = 12,239,814.84/x - Step 3: Cross multiply
21,532,976.04x = 29,710,399.08 × 12,239,814.84 - Step 4: Simplify right side
21,532,976.04x = 363,649,783,561,706.31 - Step 5: Solve for x
x = 363,649,783,561,706.31/21,532,976.04 - Step 6: Final answer
x = 16,888,041.06
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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.