Finding the Fourth Proportional to 14,286,027.45, 19,714,877.24 and 8,406,961.05
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Solution
The fourth proportional to 14,286,027.45, 19,714,877.24 and 8,406,961.05 is: 11,601,700.02
Step by Step Solution
- Step 1: Write the proportion equation
14,286,027.45 : 19,714,877.24 = 8,406,961.05 : x - Step 2: Convert to fraction form
14,286,027.45/19,714,877.24 = 8,406,961.05/x - Step 3: Cross multiply
14,286,027.45x = 19,714,877.24 × 8,406,961.05 - Step 4: Simplify right side
14,286,027.45x = 165,742,205,020,176.72 - Step 5: Solve for x
x = 165,742,205,020,176.72/14,286,027.45 - Step 6: Final answer
x = 11,601,700.02
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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.