Finding the Fourth Proportional to 11,197,610.12, 15,450,862.89 and 6,486,330.27
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Solution
The fourth proportional to 11,197,610.12, 15,450,862.89 and 6,486,330.27 is: 8,950,070.47
Step by Step Solution
- Step 1: Write the proportion equation
11,197,610.12 : 15,450,862.89 = 6,486,330.27 : x - Step 2: Convert to fraction form
11,197,610.12/15,450,862.89 = 6,486,330.27/x - Step 3: Cross multiply
11,197,610.12x = 15,450,862.89 × 6,486,330.27 - Step 4: Simplify right side
11,197,610.12x = 100,219,399,656,380.06 - Step 5: Solve for x
x = 100,219,399,656,380.06/11,197,610.12 - Step 6: Final answer
x = 8,950,070.47
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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.