Finding the Fourth Proportional to 45,936,257.67, 68,914,475.78 and 13,585,638.06
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Solution
The fourth proportional to 45,936,257.67, 68,914,475.78 and 13,585,638.06 is: 20,381,440.99
Step by Step Solution
- Step 1: Write the proportion equation
45,936,257.67 : 68,914,475.78 = 13,585,638.06 : x - Step 2: Convert to fraction form
45,936,257.67/68,914,475.78 = 13,585,638.06/x - Step 3: Cross multiply
45,936,257.67x = 68,914,475.78 × 13,585,638.06 - Step 4: Simplify right side
45,936,257.67x = 936,247,124,973,788.12 - Step 5: Solve for x
x = 936,247,124,973,788.12/45,936,257.67 - Step 6: Final answer
x = 20,381,440.99
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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.