Finding the Fourth Proportional to 8,272,425.24, 12,408,971.58 and 2,881,620.90
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Solution
The fourth proportional to 8,272,425.24, 12,408,971.58 and 2,881,620.90 is: 4,322,547.60
Step by Step Solution
- Step 1: Write the proportion equation
8,272,425.24 : 12,408,971.58 = 2,881,620.90 : x - Step 2: Convert to fraction form
8,272,425.24/12,408,971.58 = 2,881,620.90/x - Step 3: Cross multiply
8,272,425.24x = 12,408,971.58 × 2,881,620.90 - Step 4: Simplify right side
8,272,425.24x = 35,757,951,852,434.02 - Step 5: Solve for x
x = 35,757,951,852,434.02/8,272,425.24 - Step 6: Final answer
x = 4,322,547.60
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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.