Finding the Fourth Proportional to 18,134,881.20, 25,422,426 and 18,134,881.20
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Solution
The fourth proportional to 18,134,881.20, 25,422,426 and 18,134,881.20 is: 25,422,426
Step by Step Solution
- Step 1: Write the proportion equation
18,134,881.20 : 25,422,426 = 18,134,881.20 : x - Step 2: Convert to fraction form
18,134,881.20/25,422,426 = 18,134,881.20/x - Step 3: Cross multiply
18,134,881.20x = 25,422,426 × 18,134,881.20 - Step 4: Simplify right side
18,134,881.20x = 461,032,675,325,791.19 - Step 5: Solve for x
x = 461,032,675,325,791.19/18,134,881.20 - Step 6: Final answer
x = 25,422,426
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.