Finding the Fourth Proportional to 10,542,324.08, 15,810,383.99 and 4,781,725.04
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Solution
The fourth proportional to 10,542,324.08, 15,810,383.99 and 4,781,725.04 is: 7,171,180.52
Step by Step Solution
- Step 1: Write the proportion equation
10,542,324.08 : 15,810,383.99 = 4,781,725.04 : x - Step 2: Convert to fraction form
10,542,324.08/15,810,383.99 = 4,781,725.04/x - Step 3: Cross multiply
10,542,324.08x = 15,810,383.99 × 4,781,725.04 - Step 4: Simplify right side
10,542,324.08x = 75,600,909,068,478.39 - Step 5: Solve for x
x = 75,600,909,068,478.39/10,542,324.08 - Step 6: Final answer
x = 7,171,180.52
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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.