Finding the Fourth Proportional to 19,881,840.76, 29,826,124.08 and 10,170,670
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Solution
The fourth proportional to 19,881,840.76, 29,826,124.08 and 10,170,670 is: 15,257,725.33
Step by Step Solution
- Step 1: Write the proportion equation
19,881,840.76 : 29,826,124.08 = 10,170,670 : x - Step 2: Convert to fraction form
19,881,840.76/29,826,124.08 = 10,170,670/x - Step 3: Cross multiply
19,881,840.76x = 29,826,124.08 × 10,170,670 - Step 4: Simplify right side
19,881,840.76x = 303,351,665,396,733.56 - Step 5: Solve for x
x = 303,351,665,396,733.56/19,881,840.76 - Step 6: Final answer
x = 15,257,725.33
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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.