Finding the Fourth Proportional to 18,952,953.08, 28,432,573.43 and 6,653,727.99
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Solution
The fourth proportional to 18,952,953.08, 28,432,573.43 and 6,653,727.99 is: 9,981,695.67
Step by Step Solution
- Step 1: Write the proportion equation
18,952,953.08 : 28,432,573.43 = 6,653,727.99 : x - Step 2: Convert to fraction form
18,952,953.08/28,432,573.43 = 6,653,727.99/x - Step 3: Cross multiply
18,952,953.08x = 28,432,573.43 × 6,653,727.99 - Step 4: Simplify right side
18,952,953.08x = 189,182,609,625,652.69 - Step 5: Solve for x
x = 189,182,609,625,652.69/18,952,953.08 - Step 6: Final answer
x = 9,981,695.67
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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.