Finding the Fourth Proportional to 14,701,239.24, 20,287,726.74 and 8,174,728.50
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Solution
The fourth proportional to 14,701,239.24, 20,287,726.74 and 8,174,728.50 is: 11,281,134.55
Step by Step Solution
- Step 1: Write the proportion equation
14,701,239.24 : 20,287,726.74 = 8,174,728.50 : x - Step 2: Convert to fraction form
14,701,239.24/20,287,726.74 = 8,174,728.50/x - Step 3: Cross multiply
14,701,239.24x = 20,287,726.74 × 8,174,728.50 - Step 4: Simplify right side
14,701,239.24x = 165,846,657,981,690.06 - Step 5: Solve for x
x = 165,846,657,981,690.06/14,701,239.24 - Step 6: Final answer
x = 11,281,134.55
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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.