Finding the Fourth Proportional to 17,486,955.80, 26,230,433.70 and 12,728,043.80
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Solution
The fourth proportional to 17,486,955.80, 26,230,433.70 and 12,728,043.80 is: 19,092,065.70
Step by Step Solution
- Step 1: Write the proportion equation
17,486,955.80 : 26,230,433.70 = 12,728,043.80 : x - Step 2: Convert to fraction form
17,486,955.80/26,230,433.70 = 12,728,043.80/x - Step 3: Cross multiply
17,486,955.80x = 26,230,433.70 × 12,728,043.80 - Step 4: Simplify right side
17,486,955.80x = 333,862,109,026,596.06 - Step 5: Solve for x
x = 333,862,109,026,596.06/17,486,955.80 - Step 6: Final answer
x = 19,092,065.70
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1.5x scale
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.