Finding the Fourth Proportional to 13,108,917.98, 19,663,439.21 and 4,011,001.09
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Solution
The fourth proportional to 13,108,917.98, 19,663,439.21 and 4,011,001.09 is: 6,016,520.67
Step by Step Solution
- Step 1: Write the proportion equation
13,108,917.98 : 19,663,439.21 = 4,011,001.09 : x - Step 2: Convert to fraction form
13,108,917.98/19,663,439.21 = 4,011,001.09/x - Step 3: Cross multiply
13,108,917.98x = 19,663,439.21 × 4,011,001.09 - Step 4: Simplify right side
13,108,917.98x = 78,870,076,050,286.38 - Step 5: Solve for x
x = 78,870,076,050,286.38/13,108,917.98 - Step 6: Final answer
x = 6,016,520.67
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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.