Finding the Fourth Proportional to 14,305,919.06, 19,742,686.40 and 8,195,528.54
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Solution
The fourth proportional to 14,305,919.06, 19,742,686.40 and 8,195,528.54 is: 11,310,126.19
Step by Step Solution
- Step 1: Write the proportion equation
14,305,919.06 : 19,742,686.40 = 8,195,528.54 : x - Step 2: Convert to fraction form
14,305,919.06/19,742,686.40 = 8,195,528.54/x - Step 3: Cross multiply
14,305,919.06x = 19,742,686.40 × 8,195,528.54 - Step 4: Simplify right side
14,305,919.06x = 161,801,749,847,469.84 - Step 5: Solve for x
x = 161,801,749,847,469.84/14,305,919.06 - Step 6: Final answer
x = 11,310,126.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.