Finding the Fourth Proportional to 39,983,567.64, 55,177,437.83 and 22,343,134.96
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Solution
The fourth proportional to 39,983,567.64, 55,177,437.83 and 22,343,134.96 is: 30,833,590.22
Step by Step Solution
- Step 1: Write the proportion equation
39,983,567.64 : 55,177,437.83 = 22,343,134.96 : x - Step 2: Convert to fraction form
39,983,567.64/55,177,437.83 = 22,343,134.96/x - Step 3: Cross multiply
39,983,567.64x = 55,177,437.83 × 22,343,134.96 - Step 4: Simplify right side
39,983,567.64x = 1,232,836,940,322,079.50 - Step 5: Solve for x
x = 1,232,836,940,322,079.50/39,983,567.64 - Step 6: Final answer
x = 30,833,590.22
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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.