Finding the Fourth Proportional to 18,272,159.52, 27,408,259.44 and 5,492,663.16
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Solution
The fourth proportional to 18,272,159.52, 27,408,259.44 and 5,492,663.16 is: 8,239,000.80
Step by Step Solution
- Step 1: Write the proportion equation
18,272,159.52 : 27,408,259.44 = 5,492,663.16 : x - Step 2: Convert to fraction form
18,272,159.52/27,408,259.44 = 5,492,663.16/x - Step 3: Cross multiply
18,272,159.52x = 27,408,259.44 × 5,492,663.16 - Step 4: Simplify right side
18,272,159.52x = 150,544,336,905,810.25 - Step 5: Solve for x
x = 150,544,336,905,810.25/18,272,159.52 - Step 6: Final answer
x = 8,239,000.80
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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.