Finding the Fourth Proportional to 18,404,601.90, 27,606,643.65 and 8,307,206.70
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Solution
The fourth proportional to 18,404,601.90, 27,606,643.65 and 8,307,206.70 is: 12,460,693.06
Step by Step Solution
- Step 1: Write the proportion equation
18,404,601.90 : 27,606,643.65 = 8,307,206.70 : x - Step 2: Convert to fraction form
18,404,601.90/27,606,643.65 = 8,307,206.70/x - Step 3: Cross multiply
18,404,601.90x = 27,606,643.65 × 8,307,206.70 - Step 4: Simplify right side
18,404,601.90x = 229,334,095,093,792.44 - Step 5: Solve for x
x = 229,334,095,093,792.44/18,404,601.90 - Step 6: Final answer
x = 12,460,693.06
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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.