Finding the Fourth Proportional to 25,860,009.68, 38,790,208.56 and 11,479,211.36
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Solution
The fourth proportional to 25,860,009.68, 38,790,208.56 and 11,479,211.36 is: 17,218,903.17
Step by Step Solution
- Step 1: Write the proportion equation
25,860,009.68 : 38,790,208.56 = 11,479,211.36 : x - Step 2: Convert to fraction form
25,860,009.68/38,790,208.56 = 11,479,211.36/x - Step 3: Cross multiply
25,860,009.68x = 38,790,208.56 × 11,479,211.36 - Step 4: Simplify right side
25,860,009.68x = 445,281,002,758,721.25 - Step 5: Solve for x
x = 445,281,002,758,721.25/25,860,009.68 - Step 6: Final answer
x = 17,218,903.17
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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.