Finding the Fourth Proportional to 23,302,709.97, 32,171,518.35 and 20,717,237.13
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Solution
The fourth proportional to 23,302,709.97, 32,171,518.35 and 20,717,237.13 is: 28,602,037.07
Step by Step Solution
- Step 1: Write the proportion equation
23,302,709.97 : 32,171,518.35 = 20,717,237.13 : x - Step 2: Convert to fraction form
23,302,709.97/32,171,518.35 = 20,717,237.13/x - Step 3: Cross multiply
23,302,709.97x = 32,171,518.35 × 20,717,237.13 - Step 4: Simplify right side
23,302,709.97x = 666,504,974,489,096.38 - Step 5: Solve for x
x = 666,504,974,489,096.38/23,302,709.97 - Step 6: Final answer
x = 28,602,037.07
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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.