Finding the Fourth Proportional to 17,643,840.30, 26,467,072.65 and 6,282,812.70
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Solution
The fourth proportional to 17,643,840.30, 26,467,072.65 and 6,282,812.70 is: 9,424,686.31
Step by Step Solution
- Step 1: Write the proportion equation
17,643,840.30 : 26,467,072.65 = 6,282,812.70 : x - Step 2: Convert to fraction form
17,643,840.30/26,467,072.65 = 6,282,812.70/x - Step 3: Cross multiply
17,643,840.30x = 26,467,072.65 × 6,282,812.70 - Step 4: Simplify right side
17,643,840.30x = 166,287,660,177,242.66 - Step 5: Solve for x
x = 166,287,660,177,242.66/17,643,840.30 - Step 6: Final answer
x = 9,424,686.31
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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.