Finding the Fourth Proportional to 14,318,044.76, 19,758,827.03 and 7,791,720.93
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Solution
The fourth proportional to 14,318,044.76, 19,758,827.03 and 7,791,720.93 is: 10,752,534.21
Step by Step Solution
- Step 1: Write the proportion equation
14,318,044.76 : 19,758,827.03 = 7,791,720.93 : x - Step 2: Convert to fraction form
14,318,044.76/19,758,827.03 = 7,791,720.93/x - Step 3: Cross multiply
14,318,044.76x = 19,758,827.03 × 7,791,720.93 - Step 4: Simplify right side
14,318,044.76x = 153,955,266,082,942.12 - Step 5: Solve for x
x = 153,955,266,082,942.12/14,318,044.76 - Step 6: Final answer
x = 10,752,534.21
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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.