Finding the Fourth Proportional to 12,943,584.18, 19,422,794.67 and 5,265,812.07
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Solution
The fourth proportional to 12,943,584.18, 19,422,794.67 and 5,265,812.07 is: 7,901,736.12
Step by Step Solution
- Step 1: Write the proportion equation
12,943,584.18 : 19,422,794.67 = 5,265,812.07 : x - Step 2: Convert to fraction form
12,943,584.18/19,422,794.67 = 5,265,812.07/x - Step 3: Cross multiply
12,943,584.18x = 19,422,794.67 × 5,265,812.07 - Step 4: Simplify right side
12,943,584.18x = 102,276,786,606,417.69 - Step 5: Solve for x
x = 102,276,786,606,417.69/12,943,584.18 - Step 6: Final answer
x = 7,901,736.12
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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.