Finding the Fourth Proportional to 38,998,937.58, 53,817,872.14 and 21,594,909.14
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Solution
The fourth proportional to 38,998,937.58, 53,817,872.14 and 21,594,909.14 is: 29,800,608.20
Step by Step Solution
- Step 1: Write the proportion equation
38,998,937.58 : 53,817,872.14 = 21,594,909.14 : x - Step 2: Convert to fraction form
38,998,937.58/53,817,872.14 = 21,594,909.14/x - Step 3: Cross multiply
38,998,937.58x = 53,817,872.14 × 21,594,909.14 - Step 4: Simplify right side
38,998,937.58x = 1,162,192,058,971,437.50 - Step 5: Solve for x
x = 1,162,192,058,971,437.50/38,998,937.58 - Step 6: Final answer
x = 29,800,608.20
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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.