Finding the Fourth Proportional to 11,216,421.14, 16,817,893.11 and 4,384,857.65
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Solution
The fourth proportional to 11,216,421.14, 16,817,893.11 and 4,384,857.65 is: 6,574,652.14
Step by Step Solution
- Step 1: Write the proportion equation
11,216,421.14 : 16,817,893.11 = 4,384,857.65 : x - Step 2: Convert to fraction form
11,216,421.14/16,817,893.11 = 4,384,857.65/x - Step 3: Cross multiply
11,216,421.14x = 16,817,893.11 × 4,384,857.65 - Step 4: Simplify right side
11,216,421.14x = 73,744,067,176,176.31 - Step 5: Solve for x
x = 73,744,067,176,176.31/11,216,421.14 - Step 6: Final answer
x = 6,574,652.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.