Finding the Fourth Proportional to 7,146,360.54, 9,862,039.99 and 3,883,175.21
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Solution
The fourth proportional to 7,146,360.54, 9,862,039.99 and 3,883,175.21 is: 5,358,815.72
Step by Step Solution
- Step 1: Write the proportion equation
7,146,360.54 : 9,862,039.99 = 3,883,175.21 : x - Step 2: Convert to fraction form
7,146,360.54/9,862,039.99 = 3,883,175.21/x - Step 3: Cross multiply
7,146,360.54x = 9,862,039.99 × 3,883,175.21 - Step 4: Simplify right side
7,146,360.54x = 38,296,029,209,196.65 - Step 5: Solve for x
x = 38,296,029,209,196.65/7,146,360.54 - Step 6: Final answer
x = 5,358,815.72
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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.