Finding the Fourth Proportional to 23,890,332.86, 32,971,458.26 and 13,578,605.99
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Solution
The fourth proportional to 23,890,332.86, 32,971,458.26 and 13,578,605.99 is: 18,740,067.09
Step by Step Solution
- Step 1: Write the proportion equation
23,890,332.86 : 32,971,458.26 = 13,578,605.99 : x - Step 2: Convert to fraction form
23,890,332.86/32,971,458.26 = 13,578,605.99/x - Step 3: Cross multiply
23,890,332.86x = 32,971,458.26 × 13,578,605.99 - Step 4: Simplify right side
23,890,332.86x = 447,706,440,497,360.19 - Step 5: Solve for x
x = 447,706,440,497,360.19/23,890,332.86 - Step 6: Final answer
x = 18,740,067.09
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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.