Finding the Fourth Proportional to 13,862,843.69, 19,129,440.46 and 7,667,757.08
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Solution
The fourth proportional to 13,862,843.69, 19,129,440.46 and 7,667,757.08 is: 10,580,794.66
Step by Step Solution
- Step 1: Write the proportion equation
13,862,843.69 : 19,129,440.46 = 7,667,757.08 : x - Step 2: Convert to fraction form
13,862,843.69/19,129,440.46 = 7,667,757.08/x - Step 3: Cross multiply
13,862,843.69x = 19,129,440.46 × 7,667,757.08 - Step 4: Simplify right side
13,862,843.69x = 146,679,902,500,237.38 - Step 5: Solve for x
x = 146,679,902,500,237.38/13,862,843.69 - Step 6: Final answer
x = 10,580,794.66
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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.