Finding the Fourth Proportional to 13,029,897.49, 17,982,853.07 and 7,523,263.08
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Solution
The fourth proportional to 13,029,897.49, 17,982,853.07 and 7,523,263.08 is: 10,383,023.71
Step by Step Solution
- Step 1: Write the proportion equation
13,029,897.49 : 17,982,853.07 = 7,523,263.08 : x - Step 2: Convert to fraction form
13,029,897.49/17,982,853.07 = 7,523,263.08/x - Step 3: Cross multiply
13,029,897.49x = 17,982,853.07 × 7,523,263.08 - Step 4: Simplify right side
13,029,897.49x = 135,289,734,536,979.36 - Step 5: Solve for x
x = 135,289,734,536,979.36/13,029,897.49 - Step 6: Final answer
x = 10,383,023.71
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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.