Finding the Fourth Proportional to 10,186,340.26, 15,285,795.16 and 4,720,416.26
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Solution
The fourth proportional to 10,186,340.26, 15,285,795.16 and 4,720,416.26 is: 7,083,536.79
Step by Step Solution
- Step 1: Write the proportion equation
10,186,340.26 : 15,285,795.16 = 4,720,416.26 : x - Step 2: Convert to fraction form
10,186,340.26/15,285,795.16 = 4,720,416.26/x - Step 3: Cross multiply
10,186,340.26x = 15,285,795.16 × 4,720,416.26 - Step 4: Simplify right side
10,186,340.26x = 72,155,316,020,293.30 - Step 5: Solve for x
x = 72,155,316,020,293.30/10,186,340.26 - Step 6: Final answer
x = 7,083,536.79
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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.