Finding the Fourth Proportional to 7,260,023.93, 10,018,675.35 and 3,996,713.75
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Solution
The fourth proportional to 7,260,023.93, 10,018,675.35 and 3,996,713.75 is: 5,515,378.17
Step by Step Solution
- Step 1: Write the proportion equation
7,260,023.93 : 10,018,675.35 = 3,996,713.75 : x - Step 2: Convert to fraction form
7,260,023.93/10,018,675.35 = 3,996,713.75/x - Step 3: Cross multiply
7,260,023.93x = 10,018,675.35 × 3,996,713.75 - Step 4: Simplify right side
7,260,023.93x = 40,041,777,478,037.69 - Step 5: Solve for x
x = 40,041,777,478,037.69/7,260,023.93 - Step 6: Final answer
x = 5,515,378.17
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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.