Finding the Fourth Proportional to 7,115,896.90, 9,819,924.73 and 3,852,711.19
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Solution
The fourth proportional to 7,115,896.90, 9,819,924.73 and 3,852,711.19 is: 5,316,734.41
Step by Step Solution
- Step 1: Write the proportion equation
7,115,896.90 : 9,819,924.73 = 3,852,711.19 : x - Step 2: Convert to fraction form
7,115,896.90/9,819,924.73 = 3,852,711.19/x - Step 3: Cross multiply
7,115,896.90x = 9,819,924.73 × 3,852,711.19 - Step 4: Simplify right side
7,115,896.90x = 37,833,333,892,228.73 - Step 5: Solve for x
x = 37,833,333,892,228.73/7,115,896.90 - Step 6: Final answer
x = 5,316,734.41
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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.