Finding the Fourth Proportional to 7,006,507.29, 10,508,856.98 and 2,214,680.94
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Solution
The fourth proportional to 7,006,507.29, 10,508,856.98 and 2,214,680.94 is: 3,321,735.68
Step by Step Solution
- Step 1: Write the proportion equation
7,006,507.29 : 10,508,856.98 = 2,214,680.94 : x - Step 2: Convert to fraction form
7,006,507.29/10,508,856.98 = 2,214,680.94/x - Step 3: Cross multiply
7,006,507.29x = 10,508,856.98 × 2,214,680.94 - Step 4: Simplify right side
7,006,507.29x = 23,273,765,243,718.55 - Step 5: Solve for x
x = 23,273,765,243,718.55/7,006,507.29 - Step 6: Final answer
x = 3,321,735.68
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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.