Finding the Fourth Proportional to 25,812,441.18, 38,719,730.70 and 7,616,635.74
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Solution
The fourth proportional to 25,812,441.18, 38,719,730.70 and 7,616,635.74 is: 11,425,269.03
Step by Step Solution
- Step 1: Write the proportion equation
25,812,441.18 : 38,719,730.70 = 7,616,635.74 : x - Step 2: Convert to fraction form
25,812,441.18/38,719,730.70 = 7,616,635.74/x - Step 3: Cross multiply
25,812,441.18x = 38,719,730.70 × 7,616,635.74 - Step 4: Simplify right side
25,812,441.18x = 294,914,084,692,795.25 - Step 5: Solve for x
x = 294,914,084,692,795.25/25,812,441.18 - Step 6: Final answer
x = 11,425,269.03
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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.