Finding the Fourth Proportional to 13,625,449.29, 20,351,315.48 and 12,326,607.14
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Solution
The fourth proportional to 13,625,449.29, 20,351,315.48 and 12,326,607.14 is: 18,411,332.00
Step by Step Solution
- Step 1: Write the proportion equation
13,625,449.29 : 20,351,315.48 = 12,326,607.14 : x - Step 2: Convert to fraction form
13,625,449.29/20,351,315.48 = 12,326,607.14/x - Step 3: Cross multiply
13,625,449.29x = 20,351,315.48 × 12,326,607.14 - Step 4: Simplify right side
13,625,449.29x = 250,862,670,540,770.94 - Step 5: Solve for x
x = 250,862,670,540,770.94/13,625,449.29 - Step 6: Final answer
x = 18,411,332.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.