Finding the Fourth Proportional to 19,926,599.44, 27,493,645.80 and 12,188,815.12
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Solution
The fourth proportional to 19,926,599.44, 27,493,645.80 and 12,188,815.12 is: 16,817,468.86
Step by Step Solution
- Step 1: Write the proportion equation
19,926,599.44 : 27,493,645.80 = 12,188,815.12 : x - Step 2: Convert to fraction form
19,926,599.44/27,493,645.80 = 12,188,815.12/x - Step 3: Cross multiply
19,926,599.44x = 27,493,645.80 × 12,188,815.12 - Step 4: Simplify right side
19,926,599.44x = 335,114,965,630,964.50 - Step 5: Solve for x
x = 335,114,965,630,964.50/19,926,599.44 - Step 6: Final answer
x = 16,817,468.86
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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.