Finding the Fourth Proportional to 10,116,790.74, 15,175,149.66 and 3,639,852.54
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Solution
The fourth proportional to 10,116,790.74, 15,175,149.66 and 3,639,852.54 is: 5,459,765.70
Step by Step Solution
- Step 1: Write the proportion equation
10,116,790.74 : 15,175,149.66 = 3,639,852.54 : x - Step 2: Convert to fraction form
10,116,790.74/15,175,149.66 = 3,639,852.54/x - Step 3: Cross multiply
10,116,790.74x = 15,175,149.66 × 3,639,852.54 - Step 4: Simplify right side
10,116,790.74x = 55,235,307,034,831.14 - Step 5: Solve for x
x = 55,235,307,034,831.14/10,116,790.74 - Step 6: Final answer
x = 5,459,765.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.