Finding the Fourth Proportional to 21,955,122.70, 32,926,279.58 and 7,380,394.79
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Solution
The fourth proportional to 21,955,122.70, 32,926,279.58 and 7,380,394.79 is: 11,068,439.26
Step by Step Solution
- Step 1: Write the proportion equation
21,955,122.70 : 32,926,279.58 = 7,380,394.79 : x - Step 2: Convert to fraction form
21,955,122.70/32,926,279.58 = 7,380,394.79/x - Step 3: Cross multiply
21,955,122.70x = 32,926,279.58 × 7,380,394.79 - Step 4: Simplify right side
21,955,122.70x = 243,008,942,092,458.50 - Step 5: Solve for x
x = 243,008,942,092,458.50/21,955,122.70 - Step 6: Final answer
x = 11,068,439.26
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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.