Finding the Fourth Proportional to 11,579,726.57, 15,981,939.23 and 6,424,748.87
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Solution
The fourth proportional to 11,579,726.57, 15,981,939.23 and 6,424,748.87 is: 8,867,216.80
Step by Step Solution
- Step 1: Write the proportion equation
11,579,726.57 : 15,981,939.23 = 6,424,748.87 : x - Step 2: Convert to fraction form
11,579,726.57/15,981,939.23 = 6,424,748.87/x - Step 3: Cross multiply
11,579,726.57x = 15,981,939.23 × 6,424,748.87 - Step 4: Simplify right side
11,579,726.57x = 102,679,945,896,317.73 - Step 5: Solve for x
x = 102,679,945,896,317.73/11,579,726.57 - Step 6: Final answer
x = 8,867,216.80
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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.