Finding the Fourth Proportional to 18,113,682.42, 25,032,746.79 and 14,845,342.14
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Solution
The fourth proportional to 18,113,682.42, 25,032,746.79 and 14,845,342.14 is: 20,515,965.90
Step by Step Solution
- Step 1: Write the proportion equation
18,113,682.42 : 25,032,746.79 = 14,845,342.14 : x - Step 2: Convert to fraction form
18,113,682.42/25,032,746.79 = 14,845,342.14/x - Step 3: Cross multiply
18,113,682.42x = 25,032,746.79 × 14,845,342.14 - Step 4: Simplify right side
18,113,682.42x = 371,619,690,801,536.75 - Step 5: Solve for x
x = 371,619,690,801,536.75/18,113,682.42 - Step 6: Final answer
x = 20,515,965.90
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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.