Finding the Fourth Proportional to 11,640,552.36, 16,064,457.84 and 6,483,916.20
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Solution
The fourth proportional to 11,640,552.36, 16,064,457.84 and 6,483,916.20 is: 8,948,080.40
Step by Step Solution
- Step 1: Write the proportion equation
11,640,552.36 : 16,064,457.84 = 6,483,916.20 : x - Step 2: Convert to fraction form
11,640,552.36/16,064,457.84 = 6,483,916.20/x - Step 3: Cross multiply
11,640,552.36x = 16,064,457.84 × 6,483,916.20 - Step 4: Simplify right side
11,640,552.36x = 104,160,598,432,993.02 - Step 5: Solve for x
x = 104,160,598,432,993.02/11,640,552.36 - Step 6: Final answer
x = 8,948,080.40
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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.