Finding the Fourth Proportional to 34,148,393.64, 51,199,837.16 and 18,802,909.62
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Solution
The fourth proportional to 34,148,393.64, 51,199,837.16 and 18,802,909.62 is: 28,191,835.92
Step by Step Solution
- Step 1: Write the proportion equation
34,148,393.64 : 51,199,837.16 = 18,802,909.62 : x - Step 2: Convert to fraction form
34,148,393.64/51,199,837.16 = 18,802,909.62/x - Step 3: Cross multiply
34,148,393.64x = 51,199,837.16 × 18,802,909.62 - Step 4: Simplify right side
34,148,393.64x = 962,705,910,584,183 - Step 5: Solve for x
x = 962,705,910,584,183/34,148,393.64 - Step 6: Final answer
x = 28,191,835.92
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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.