Finding the Fourth Proportional to 38,326,221.72, 57,498,394.14 and 12,418,480.26
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Solution
The fourth proportional to 38,326,221.72, 57,498,394.14 and 12,418,480.26 is: 18,630,656.52
Step by Step Solution
- Step 1: Write the proportion equation
38,326,221.72 : 57,498,394.14 = 12,418,480.26 : x - Step 2: Convert to fraction form
38,326,221.72/57,498,394.14 = 12,418,480.26/x - Step 3: Cross multiply
38,326,221.72x = 57,498,394.14 × 12,418,480.26 - Step 4: Simplify right side
38,326,221.72x = 714,042,672,609,289.62 - Step 5: Solve for x
x = 714,042,672,609,289.62/38,326,221.72 - Step 6: Final answer
x = 18,630,656.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.