Finding the Fourth Proportional to 14,390,404.14, 19,858,809.59 and 7,864,034.68
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Solution
The fourth proportional to 14,390,404.14, 19,858,809.59 and 7,864,034.68 is: 10,852,396.21
Step by Step Solution
- Step 1: Write the proportion equation
14,390,404.14 : 19,858,809.59 = 7,864,034.68 : x - Step 2: Convert to fraction form
14,390,404.14/19,858,809.59 = 7,864,034.68/x - Step 3: Cross multiply
14,390,404.14x = 19,858,809.59 × 7,864,034.68 - Step 4: Simplify right side
14,390,404.14x = 156,170,367,319,276.56 - Step 5: Solve for x
x = 156,170,367,319,276.56/14,390,404.14 - Step 6: Final answer
x = 10,852,396.21
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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.