Finding the Fourth Proportional to 21,102,029.10, 29,120,800.16 and 11,444,237.10
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Solution
The fourth proportional to 21,102,029.10, 29,120,800.16 and 11,444,237.10 is: 15,793,047.20
Step by Step Solution
- Step 1: Write the proportion equation
21,102,029.10 : 29,120,800.16 = 11,444,237.10 : x - Step 2: Convert to fraction form
21,102,029.10/29,120,800.16 = 11,444,237.10/x - Step 3: Cross multiply
21,102,029.10x = 29,120,800.16 × 11,444,237.10 - Step 4: Simplify right side
21,102,029.10x = 333,265,341,572,757.94 - Step 5: Solve for x
x = 333,265,341,572,757.94/21,102,029.10 - Step 6: Final answer
x = 15,793,047.20
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1.5x scale
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.