Finding the Fourth Proportional to 28,193,503.24, 42,290,291.97 and 7,723,404.82
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Solution
The fourth proportional to 28,193,503.24, 42,290,291.97 and 7,723,404.82 is: 11,585,117.40
Step by Step Solution
- Step 1: Write the proportion equation
28,193,503.24 : 42,290,291.97 = 7,723,404.82 : x - Step 2: Convert to fraction form
28,193,503.24/42,290,291.97 = 7,723,404.82/x - Step 3: Cross multiply
28,193,503.24x = 42,290,291.97 × 7,723,404.82 - Step 4: Simplify right side
28,193,503.24x = 326,625,044,840,305.31 - Step 5: Solve for x
x = 326,625,044,840,305.31/28,193,503.24 - Step 6: Final answer
x = 11,585,117.40
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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.