Finding the Fourth Proportional to 7,380,903.80, 11,076,021.30 and 4,348,263.80
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Solution
The fourth proportional to 7,380,903.80, 11,076,021.30 and 4,348,263.80 is: 6,525,144.31
Step by Step Solution
- Step 1: Write the proportion equation
7,380,903.80 : 11,076,021.30 = 4,348,263.80 : x - Step 2: Convert to fraction form
7,380,903.80/11,076,021.30 = 4,348,263.80/x - Step 3: Cross multiply
7,380,903.80x = 11,076,021.30 × 4,348,263.80 - Step 4: Simplify right side
7,380,903.80x = 48,161,462,466,818.94 - Step 5: Solve for x
x = 48,161,462,466,818.94/7,380,903.80 - Step 6: Final answer
x = 6,525,144.31
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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.