Finding the Fourth Proportional to 23,287,660.47, 32,115,174.30 and 18,404,548.74
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Solution
The fourth proportional to 23,287,660.47, 32,115,174.30 and 18,404,548.74 is: 25,381,050.68
Step by Step Solution
- Step 1: Write the proportion equation
23,287,660.47 : 32,115,174.30 = 18,404,548.74 : x - Step 2: Convert to fraction form
23,287,660.47/32,115,174.30 = 18,404,548.74/x - Step 3: Cross multiply
23,287,660.47x = 32,115,174.30 × 18,404,548.74 - Step 4: Simplify right side
23,287,660.47x = 591,065,290,697,945.38 - Step 5: Solve for x
x = 591,065,290,697,945.38/23,287,660.47 - Step 6: Final answer
x = 25,381,050.68
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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.