Finding the Fourth Proportional to 11,013,507.40, 16,514,588.56 and 4,943,035.12
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Solution
The fourth proportional to 11,013,507.40, 16,514,588.56 and 4,943,035.12 is: 7,412,006.75
Step by Step Solution
- Step 1: Write the proportion equation
11,013,507.40 : 16,514,588.56 = 4,943,035.12 : x - Step 2: Convert to fraction form
11,013,507.40/16,514,588.56 = 4,943,035.12/x - Step 3: Cross multiply
11,013,507.40x = 16,514,588.56 × 4,943,035.12 - Step 4: Simplify right side
11,013,507.40x = 81,632,191,244,430.23 - Step 5: Solve for x
x = 81,632,191,244,430.23/11,013,507.40 - Step 6: Final answer
x = 7,412,006.75
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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.