Finding the Fourth Proportional to 17,921,742.11, 26,862,268.98 and 15,758,580.41
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Solution
The fourth proportional to 17,921,742.11, 26,862,268.98 and 15,758,580.41 is: 23,619,981.98
Step by Step Solution
- Step 1: Write the proportion equation
17,921,742.11 : 26,862,268.98 = 15,758,580.41 : x - Step 2: Convert to fraction form
17,921,742.11/26,862,268.98 = 15,758,580.41/x - Step 3: Cross multiply
17,921,742.11x = 26,862,268.98 × 15,758,580.41 - Step 4: Simplify right side
17,921,742.11x = 423,311,225,716,378.69 - Step 5: Solve for x
x = 423,311,225,716,378.69/17,921,742.11 - Step 6: Final answer
x = 23,619,981.98
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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.