Finding the Fourth Proportional to 16,065,129.68, 22,169,905.21 and 8,722,977.02
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Solution
The fourth proportional to 16,065,129.68, 22,169,905.21 and 8,722,977.02 is: 12,037,722.54
Step by Step Solution
- Step 1: Write the proportion equation
16,065,129.68 : 22,169,905.21 = 8,722,977.02 : x - Step 2: Convert to fraction form
16,065,129.68/22,169,905.21 = 8,722,977.02/x - Step 3: Cross multiply
16,065,129.68x = 22,169,905.21 × 8,722,977.02 - Step 4: Simplify right side
16,065,129.68x = 193,387,573,765,767.56 - Step 5: Solve for x
x = 193,387,573,765,767.56/16,065,129.68 - Step 6: Final answer
x = 12,037,722.54
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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.