Finding the Fourth Proportional to 8,489,986.99, 11,714,908.23 and 4,768,675.20
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Solution
The fourth proportional to 8,489,986.99, 11,714,908.23 and 4,768,675.20 is: 6,580,056.30
Step by Step Solution
- Step 1: Write the proportion equation
8,489,986.99 : 11,714,908.23 = 4,768,675.20 : x - Step 2: Convert to fraction form
8,489,986.99/11,714,908.23 = 4,768,675.20/x - Step 3: Cross multiply
8,489,986.99x = 11,714,908.23 × 4,768,675.20 - Step 4: Simplify right side
8,489,986.99x = 55,864,592,346,676.90 - Step 5: Solve for x
x = 55,864,592,346,676.90/8,489,986.99 - Step 6: Final answer
x = 6,580,056.30
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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.