Finding the Fourth Proportional to 18,423,445.04, 27,607,874.10 and 7,480,327.52
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Solution
The fourth proportional to 18,423,445.04, 27,607,874.10 and 7,480,327.52 is: 11,209,409.53
Step by Step Solution
- Step 1: Write the proportion equation
18,423,445.04 : 27,607,874.10 = 7,480,327.52 : x - Step 2: Convert to fraction form
18,423,445.04/27,607,874.10 = 7,480,327.52/x - Step 3: Cross multiply
18,423,445.04x = 27,607,874.10 × 7,480,327.52 - Step 4: Simplify right side
18,423,445.04x = 206,515,940,481,970.53 - Step 5: Solve for x
x = 206,515,940,481,970.53/18,423,445.04 - Step 6: Final answer
x = 11,209,409.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.