Finding the Fourth Proportional to 15,107,309.84, 22,667,661.84 and 7,917,134.24
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Solution
The fourth proportional to 15,107,309.84, 22,667,661.84 and 7,917,134.24 is: 11,879,211.03
Step by Step Solution
- Step 1: Write the proportion equation
15,107,309.84 : 22,667,661.84 = 7,917,134.24 : x - Step 2: Convert to fraction form
15,107,309.84/22,667,661.84 = 7,917,134.24/x - Step 3: Cross multiply
15,107,309.84x = 22,667,661.84 × 7,917,134.24 - Step 4: Simplify right side
15,107,309.84x = 179,462,921,694,205.41 - Step 5: Solve for x
x = 179,462,921,694,205.41/15,107,309.84 - Step 6: Final answer
x = 11,879,211.03
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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.