Finding the Fourth Proportional to 7,643,119.88, 11,464,383.36 and 2,850,800.24
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Solution
The fourth proportional to 7,643,119.88, 11,464,383.36 and 2,850,800.24 is: 4,276,089.78
Step by Step Solution
- Step 1: Write the proportion equation
7,643,119.88 : 11,464,383.36 = 2,850,800.24 : x - Step 2: Convert to fraction form
7,643,119.88/11,464,383.36 = 2,850,800.24/x - Step 3: Cross multiply
7,643,119.88x = 11,464,383.36 × 2,850,800.24 - Step 4: Simplify right side
7,643,119.88x = 32,682,666,834,140.01 - Step 5: Solve for x
x = 32,682,666,834,140.01/7,643,119.88 - Step 6: Final answer
x = 4,276,089.78
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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.