Finding the Fourth Proportional to 7,852,140.84, 11,778,212.16 and 2,460,790.56
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Solution
The fourth proportional to 7,852,140.84, 11,778,212.16 and 2,460,790.56 is: 3,691,186.12
Step by Step Solution
- Step 1: Write the proportion equation
7,852,140.84 : 11,778,212.16 = 2,460,790.56 : x - Step 2: Convert to fraction form
7,852,140.84/11,778,212.16 = 2,460,790.56/x - Step 3: Cross multiply
7,852,140.84x = 11,778,212.16 × 2,460,790.56 - Step 4: Simplify right side
7,852,140.84x = 28,983,713,297,005.21 - Step 5: Solve for x
x = 28,983,713,297,005.21/7,852,140.84 - Step 6: Final answer
x = 3,691,186.12
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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.