Finding the Fourth Proportional to 7,168,288.76, 10,748,699.94 and 3,380,754.68
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Solution
The fourth proportional to 7,168,288.76, 10,748,699.94 and 3,380,754.68 is: 5,069,371.34
Step by Step Solution
- Step 1: Write the proportion equation
7,168,288.76 : 10,748,699.94 = 3,380,754.68 : x - Step 2: Convert to fraction form
7,168,288.76/10,748,699.94 = 3,380,754.68/x - Step 3: Cross multiply
7,168,288.76x = 10,748,699.94 × 3,380,754.68 - Step 4: Simplify right side
7,168,288.76x = 36,338,717,626,070.72 - Step 5: Solve for x
x = 36,338,717,626,070.72/7,168,288.76 - Step 6: Final answer
x = 5,069,371.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.