Finding the Fourth Proportional to 7,177,252.92, 9,905,377.19 and 4,388,012.79
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Solution
The fourth proportional to 7,177,252.92, 9,905,377.19 and 4,388,012.79 is: 6,055,927.28
Step by Step Solution
- Step 1: Write the proportion equation
7,177,252.92 : 9,905,377.19 = 4,388,012.79 : x - Step 2: Convert to fraction form
7,177,252.92/9,905,377.19 = 4,388,012.79/x - Step 3: Cross multiply
7,177,252.92x = 9,905,377.19 × 4,388,012.79 - Step 4: Simplify right side
7,177,252.92x = 43,464,921,777,554.20 - Step 5: Solve for x
x = 43,464,921,777,554.20/7,177,252.92 - Step 6: Final answer
x = 6,055,927.28
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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.