Finding the Fourth Proportional to 26,862,512.51, 37,069,185.79 and 14,639,107.07
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Solution
The fourth proportional to 26,862,512.51, 37,069,185.79 and 14,639,107.07 is: 20,201,378.39
Step by Step Solution
- Step 1: Write the proportion equation
26,862,512.51 : 37,069,185.79 = 14,639,107.07 : x - Step 2: Convert to fraction form
26,862,512.51/37,069,185.79 = 14,639,107.07/x - Step 3: Cross multiply
26,862,512.51x = 37,069,185.79 × 14,639,107.07 - Step 4: Simplify right side
26,862,512.51x = 542,659,779,777,532.56 - Step 5: Solve for x
x = 542,659,779,777,532.56/26,862,512.51 - Step 6: Final answer
x = 20,201,378.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.