Finding the Fourth Proportional to 12,000,243.16, 16,560,379.45 and 6,493,618.07
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Solution
The fourth proportional to 12,000,243.16, 16,560,379.45 and 6,493,618.07 is: 8,961,216.69
Step by Step Solution
- Step 1: Write the proportion equation
12,000,243.16 : 16,560,379.45 = 6,493,618.07 : x - Step 2: Convert to fraction form
12,000,243.16/16,560,379.45 = 6,493,618.07/x - Step 3: Cross multiply
12,000,243.16x = 16,560,379.45 × 6,493,618.07 - Step 4: Simplify right side
12,000,243.16x = 107,536,779,242,576.66 - Step 5: Solve for x
x = 107,536,779,242,576.66/12,000,243.16 - Step 6: Final answer
x = 8,961,216.69
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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.