Finding the Fourth Proportional to 45,974,243.88, 68,968,451.70 and 15,675,021
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Solution
The fourth proportional to 45,974,243.88, 68,968,451.70 and 15,675,021 is: 23,514,947.45
Step by Step Solution
- Step 1: Write the proportion equation
45,974,243.88 : 68,968,451.70 = 15,675,021 : x - Step 2: Convert to fraction form
45,974,243.88/68,968,451.70 = 15,675,021/x - Step 3: Cross multiply
45,974,243.88x = 68,968,451.70 × 15,675,021 - Step 4: Simplify right side
45,974,243.88x = 1,081,081,928,734,985.75 - Step 5: Solve for x
x = 1,081,081,928,734,985.75/45,974,243.88 - Step 6: Final answer
x = 23,514,947.45
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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.