Finding the Fourth Proportional to 14,298,266.14, 19,731,747.46 and 7,771,891.56
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Solution
The fourth proportional to 14,298,266.14, 19,731,747.46 and 7,771,891.56 is: 10,725,286.55
Step by Step Solution
- Step 1: Write the proportion equation
14,298,266.14 : 19,731,747.46 = 7,771,891.56 : x - Step 2: Convert to fraction form
14,298,266.14/19,731,747.46 = 7,771,891.56/x - Step 3: Cross multiply
14,298,266.14x = 19,731,747.46 × 7,771,891.56 - Step 4: Simplify right side
14,298,266.14x = 153,353,001,548,425.44 - Step 5: Solve for x
x = 153,353,001,548,425.44/14,298,266.14 - Step 6: Final answer
x = 10,725,286.55
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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.