Finding the Fourth Proportional to 7,203,112.07, 10,804,686.37 and 2,943,280.36
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Solution
The fourth proportional to 7,203,112.07, 10,804,686.37 and 2,943,280.36 is: 4,414,927.99
Step by Step Solution
- Step 1: Write the proportion equation
7,203,112.07 : 10,804,686.37 = 2,943,280.36 : x - Step 2: Convert to fraction form
7,203,112.07/10,804,686.37 = 2,943,280.36/x - Step 3: Cross multiply
7,203,112.07x = 10,804,686.37 × 2,943,280.36 - Step 4: Simplify right side
7,203,112.07x = 31,801,221,120,040.86 - Step 5: Solve for x
x = 31,801,221,120,040.86/7,203,112.07 - Step 6: Final answer
x = 4,414,927.99
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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.