Finding the Fourth Proportional to 12,098,869.12, 16,691,193.12 and 7,201,345.06
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Solution
The fourth proportional to 12,098,869.12, 16,691,193.12 and 7,201,345.06 is: 9,934,733.56
Step by Step Solution
- Step 1: Write the proportion equation
12,098,869.12 : 16,691,193.12 = 7,201,345.06 : x - Step 2: Convert to fraction form
12,098,869.12/16,691,193.12 = 7,201,345.06/x - Step 3: Cross multiply
12,098,869.12x = 16,691,193.12 × 7,201,345.06 - Step 4: Simplify right side
12,098,869.12x = 120,199,041,120,217.97 - Step 5: Solve for x
x = 120,199,041,120,217.97/12,098,869.12 - Step 6: Final answer
x = 9,934,733.56
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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.