Finding the Fourth Proportional to 19,848,859.97, 29,750,973.91 and 10,106,125.70
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Solution
The fourth proportional to 19,848,859.97, 29,750,973.91 and 10,106,125.70 is: 15,147,826.24
Step by Step Solution
- Step 1: Write the proportion equation
19,848,859.97 : 29,750,973.91 = 10,106,125.70 : x - Step 2: Convert to fraction form
19,848,859.97/29,750,973.91 = 10,106,125.70/x - Step 3: Cross multiply
19,848,859.97x = 29,750,973.91 × 10,106,125.70 - Step 4: Simplify right side
19,848,859.97x = 300,667,081,857,860.31 - Step 5: Solve for x
x = 300,667,081,857,860.31/19,848,859.97 - Step 6: Final answer
x = 15,147,826.24
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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.