Finding the Fourth Proportional to 11,898,567.70, 16,413,979.32 and 7,771,014.65
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Solution
The fourth proportional to 11,898,567.70, 16,413,979.32 and 7,771,014.65 is: 10,720,052.79
Step by Step Solution
- Step 1: Write the proportion equation
11,898,567.70 : 16,413,979.32 = 7,771,014.65 : x - Step 2: Convert to fraction form
11,898,567.70/16,413,979.32 = 7,771,014.65/x - Step 3: Cross multiply
11,898,567.70x = 16,413,979.32 × 7,771,014.65 - Step 4: Simplify right side
11,898,567.70x = 127,553,273,801,551.98 - Step 5: Solve for x
x = 127,553,273,801,551.98/11,898,567.70 - Step 6: Final answer
x = 10,720,052.79
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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.