Finding the Fourth Proportional to 10,781,949.06, 14,879,121.93 and 5,887,214.10
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Solution
The fourth proportional to 10,781,949.06, 14,879,121.93 and 5,887,214.10 is: 8,124,373.05
Step by Step Solution
- Step 1: Write the proportion equation
10,781,949.06 : 14,879,121.93 = 5,887,214.10 : x - Step 2: Convert to fraction form
10,781,949.06/14,879,121.93 = 5,887,214.10/x - Step 3: Cross multiply
10,781,949.06x = 14,879,121.93 × 5,887,214.10 - Step 4: Simplify right side
10,781,949.06x = 87,596,576,421,915.20 - Step 5: Solve for x
x = 87,596,576,421,915.20/10,781,949.06 - Step 6: Final answer
x = 8,124,373.05
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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.