Finding the Fourth Proportional to 13,919,177.70, 19,208,423.70 and 7,725,157.38
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Solution
The fourth proportional to 13,919,177.70, 19,208,423.70 and 7,725,157.38 is: 10,660,694.14
Step by Step Solution
- Step 1: Write the proportion equation
13,919,177.70 : 19,208,423.70 = 7,725,157.38 : x - Step 2: Convert to fraction form
13,919,177.70/19,208,423.70 = 7,725,157.38/x - Step 3: Cross multiply
13,919,177.70x = 19,208,423.70 × 7,725,157.38 - Step 4: Simplify right side
13,919,177.70x = 148,388,096,104,221.91 - Step 5: Solve for x
x = 148,388,096,104,221.91/13,919,177.70 - Step 6: Final answer
x = 10,660,694.14
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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.