Finding the Fourth Proportional to 7,508,812.41, 11,263,196.75 and 6,494,919.21
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Solution
The fourth proportional to 7,508,812.41, 11,263,196.75 and 6,494,919.21 is: 9,742,359.90
Step by Step Solution
- Step 1: Write the proportion equation
7,508,812.41 : 11,263,196.75 = 6,494,919.21 : x - Step 2: Convert to fraction form
7,508,812.41/11,263,196.75 = 6,494,919.21/x - Step 3: Cross multiply
7,508,812.41x = 11,263,196.75 × 6,494,919.21 - Step 4: Simplify right side
7,508,812.41x = 73,153,552,905,109.97 - Step 5: Solve for x
x = 73,153,552,905,109.97/7,508,812.41 - Step 6: Final answer
x = 9,742,359.90
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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.