Finding the Fourth Proportional to 23,318,098.74, 32,162,314.75 and 20,215,073.79
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Solution
The fourth proportional to 23,318,098.74, 32,162,314.75 and 20,215,073.79 is: 27,882,357.53
Step by Step Solution
- Step 1: Write the proportion equation
23,318,098.74 : 32,162,314.75 = 20,215,073.79 : x - Step 2: Convert to fraction form
23,318,098.74/32,162,314.75 = 20,215,073.79/x - Step 3: Cross multiply
23,318,098.74x = 32,162,314.75 × 20,215,073.79 - Step 4: Simplify right side
23,318,098.74x = 650,163,565,877,917.62 - Step 5: Solve for x
x = 650,163,565,877,917.62/23,318,098.74 - Step 6: Final answer
x = 27,882,357.53
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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.