Finding the Fourth Proportional to 35,188,981.47, 48,560,325.57 and 19,719,368.19
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Solution
The fourth proportional to 35,188,981.47, 48,560,325.57 and 19,719,368.19 is: 27,212,465.36
Step by Step Solution
- Step 1: Write the proportion equation
35,188,981.47 : 48,560,325.57 = 19,719,368.19 : x - Step 2: Convert to fraction form
35,188,981.47/48,560,325.57 = 19,719,368.19/x - Step 3: Cross multiply
35,188,981.47x = 48,560,325.57 × 19,719,368.19 - Step 4: Simplify right side
35,188,981.47x = 957,578,939,341,101.75 - Step 5: Solve for x
x = 957,578,939,341,101.75/35,188,981.47 - Step 6: Final answer
x = 27,212,465.36
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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.