Finding the Fourth Proportional to 7,923,386.18, 11,881,618.27 and 2,804,115.36
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Solution
The fourth proportional to 7,923,386.18, 11,881,618.27 and 2,804,115.36 is: 4,204,948.18
Step by Step Solution
- Step 1: Write the proportion equation
7,923,386.18 : 11,881,618.27 = 2,804,115.36 : x - Step 2: Convert to fraction form
7,923,386.18/11,881,618.27 = 2,804,115.36/x - Step 3: Cross multiply
7,923,386.18x = 11,881,618.27 × 2,804,115.36 - Step 4: Simplify right side
7,923,386.18x = 33,317,428,271,163.28 - Step 5: Solve for x
x = 33,317,428,271,163.28/7,923,386.18 - Step 6: Final answer
x = 4,204,948.18
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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.