Finding the Fourth Proportional to 14,497,723.17, 20,006,345.79 and 7,971,306.93
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Solution
The fourth proportional to 14,497,723.17, 20,006,345.79 and 7,971,306.93 is: 11,000,121.95
Step by Step Solution
- Step 1: Write the proportion equation
14,497,723.17 : 20,006,345.79 = 7,971,306.93 : x - Step 2: Convert to fraction form
14,497,723.17/20,006,345.79 = 7,971,306.93/x - Step 3: Cross multiply
14,497,723.17x = 20,006,345.79 × 7,971,306.93 - Step 4: Simplify right side
14,497,723.17x = 159,476,722,839,803.31 - Step 5: Solve for x
x = 159,476,722,839,803.31/14,497,723.17 - Step 6: Final answer
x = 11,000,121.95
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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.